A portable beam limiter with position feedback function

Abstract

The present invention discloses a portable beam limiter with a position feedback function, which relates to the technical field of beam limiters, and includes a beam limiter body, a pair of handles are fixedly connected to the bottom surface of the beam limiter body, a control panel is fixedly installed on the surface of the beam limiter body, a box door is installed on the top of the beam limiter body, a limit ring is fixedly connected to the middle position of the top surface of the box door, a docking head is fixedly connected to the limit ring, the internal rotation of the beam limiter body is connected to a first rotating shaft, one end of the first rotating shaft extends to the outside of the beam limiter body, one end of the first rotating shaft is fixedly connected to a first adjusting disk, and a pointer is fixedly connected to the first rotating shaft. The present invention has a reasonable structure, and the rays irradiated from the inside of the beam limiter body are blocked by the X-axis adjustment component and the Y-axis adjustment component, so that the size of the irradiation area can be adjusted to reduce the radiation dose of the patient.

Description

Technical Field

[0001] The invention relates to the technical field of beam limiters, and in particular to a portable beam limiter with a position feedback function. Background Art

[0002] The X-ray beam limiter, also known as the beam limiter, is an accessory component used in X-ray inspection equipment. Its main purpose is to be used for positioning during positioning, simulating the radiation area of ​​the X-ray, which can reduce the patient's radiation dose and improve image quality.

[0003] The existing beam limiter is large in size and needs to be fixed with bolts when installed on the X-ray inspection equipment. However, when the existing beam limiter adjusts the X-rays, most of them can only block the rays in the X-axis direction and cannot adjust the Y-axis rays, thereby increasing the radiation area of ​​the X-rays, which is likely to endanger the health of patients. Summary of the invention

[0004] The purpose of the present application is to provide a portable beam limiter with a position feedback function, which blocks the rays emitted from the inside of the beam limiter body through the X-axis adjustment component and the Y-axis adjustment component, thereby adjusting the size of the irradiation area and reducing the patient's radiation dose.

[0005] To achieve the above-mentioned objectives, the present application provides the following technical solutions: a portable beam limiter with a position feedback function, comprising a beam limiter body, a pair of handles fixedly connected to the bottom surface of the beam limiter body, a control panel fixedly installed on the surface of the beam limiter body, a box door installed on the top of the beam limiter body, a limit ring fixedly connected to the middle position of the top surface of the box door, a docking head fixedly connected to the limit ring, a first rotating shaft rotatably connected to the inside of the beam limiter body, one end of the first rotating shaft extends to the outside of the beam limiter body, a first adjusting disk is fixedly connected to one end of the first rotating shaft, a pointer is fixedly connected to the first rotating shaft, and a scale dial is fixedly connected to the outer surface of the beam limiter body; it also includes an X-axis adjustment assembly, a control assembly and a Y-axis adjustment assembly, the X-axis adjustment assembly is installed inside the beam limiter body for blocking light, the control assembly is arranged inside the beam limiter body to cooperate with the X-axis adjustment assembly for use, and the Y-axis adjustment assembly is installed inside the beam limiter body for blocking light.

[0006] Preferably, the X-axis adjustment assembly includes a pair of first fixed rods fixedly mounted on the inner wall of the limiter body, a pulley being slidably connected to the pair of first fixed rods, the pulley being rotatably connected to a mounting seat, the top end of the mounting seat being fixedly connected to a top plate, and the top end of the top plate being fixedly connected to a first shaft seat.

[0007] Preferably, a positioning rod is fixedly connected to the first axle seat, a linkage plate is fixedly connected to the positioning rod, a sliding rod is fixedly connected to the bottom end of the linkage plate, a pair of fixing frames are arranged inside the limiter body, movable grooves are provided on the pair of fixing frames, both ends of the sliding rod are slidably connected inside the movable grooves, and a first baffle plate is fixedly connected between the pair of fixing frames.

[0008] Preferably, the control assembly includes a driven rod fixedly mounted on one end of a pair of the fixed frames, the middle end of the driven rod is rotatably connected to the docking seat, a pair of sleeve blocks are fixedly connected to one side of the docking seat, and the pair of sleeve blocks are slidably connected to the limit rod.

[0009] Preferably, a ring is fixedly connected to the top end of the limit rod, the bottom end of the limit rod is fixedly connected to a bracket, a connecting plate is fixedly connected to one side of the bracket, and one end of the connecting plate is fixedly connected to the inner wall of the limiter body.

[0010] Preferably, one side of the mounting seat is fixedly connected with an adjustment frame, a first tooth plate is fixedly mounted on the adjustment frame, the first tooth plate and a first tooth disc are meshed with each other, and the first tooth disc is fixedly connected to the other end of the first rotating shaft.

[0011] Preferably, the Y-axis adjustment assembly includes a pair of second fixed rods fixedly mounted on the inner wall of the limiter body, a pair of rings being slidably connected to the second fixed rods, a pair of support rods being fixedly connected to the surfaces of the rings, a fixed seat being fixedly connected to the top of the support rods, and the fixed seat being fixedly connected to the second baffle plate.

[0012] Preferably, a side seat is fixedly connected to the surface of one of the collars in a direction perpendicular to the support rod, a threaded rod is threadedly connected to the side seat, one end of the threaded rod extends to the outside of the limiter body, and one end of the threaded rod is fixedly connected to a second adjustment disk.

[0013] Preferably, a surface of one group of the collars is fixedly connected with a fixing column in a direction perpendicular to the support rod, and one end of the fixing column is fixedly connected with a mounting plate.

[0014] Preferably, a second tooth plate is fixedly connected to the surface of the mounting plate, the second tooth plate and the second tooth disc are meshed with each other, the second tooth disc is fixedly connected to the adjustment shaft, and the other end of the adjustment shaft is rotatably connected to the inner wall of the limiter body.

[0015] In summary, the present invention has the following beneficial effects:

[0016] The present invention has a reasonable structure. When it is necessary to adjust the size of the light irradiated in the X-axis direction, the first adjusting disk is rotated, the first adjusting disk is fixedly connected to the first rotating shaft, the first rotating shaft is rotated by the rotation of the first adjusting disk, a pointer is fixedly connected to the first rotating shaft, the pointer is rotated on the scale plate by the rotation of the first rotating shaft, and the irradiation position of the ray is observed. The first toothed plate is rotated by the rotation of the first rotating shaft, and the rotation of the first toothed disk facilitates the first toothed plate to pull the mounting seat to move, a pulley is rotatably connected to the mounting seat, and the pulley is slidably connected to the first fixed rod The mounting seat is moved by the movement of the first tooth plate, the top of the mounting seat is fixedly connected to a top plate, and the top of the top plate is fixedly connected to a first shaft seat, the first shaft seat is moved by the movement of the mounting seat, a positioning rod is fixedly connected to the first shaft seat, and a linkage plate is fixedly connected to the positioning rod, the positioning rod drives the linkage plate to move by the movement of the first shaft seat, the movement of the linkage plate facilitates the two ends of the slide bar to slide inside the movable groove, the length of the movable groove can be adjusted as needed, so as to facilitate the first shielding plates to move closer to each other and adjust the irradiation range of the X-axis light;

[0017] In the present invention, a driven rod is fixedly connected to one end of the fixed frame, and the driven rod is conveniently moved by the movement of the fixed frame. A docking seat is rotatably connected to the middle position of the driven rod, and the docking seat on the driven rod is moved up and down by the movement of the fixed frame. One end of the docking seat is fixedly connected to the sleeve block, and one side of the sleeve block is fixedly connected to the limiting rod. The sleeve block slides up and down on the limiting rod through the movement of the docking seat, thereby increasing the stability of the movement of the docking seat. The bottom end of the limiting rod is fixedly connected to the bracket, so that the sleeve block can move in coordination on the limiting rod when the fixed frame moves.

[0018] 3. In the present invention, when it is necessary to adjust the size of the light irradiated in the Y-axis direction, the second adjusting disk is rotated, the second adjusting disk is fixedly connected to the threaded rod, and the threaded rod is rotated by rotating the second adjusting disk. A side seat is threadedly connected to the threaded rod, and the side seat is moved by rotating the threaded rod. The side seat is fixedly connected to the ring, and the side seat drives the ring to slide on the second fixed rod by rotating the threaded rod. The movement of the ring facilitates the movement of the mounting plate on the fixed column, and the mounting plate is fixedly connected to the second toothed plate, and the second toothed plate and the second toothed disk are meshed with each other. When one of the second baffle plates is moved by moving the ring, the other one is driven to move in the opposite direction, which is convenient for adjusting the irradiation range in the Y-axis direction. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0020] Figure 1 Schematic diagram of the three-dimensional structure of the beam limiter body;

[0021] Figure 2 This is a schematic diagram of the three-dimensional structure of the beam limiter body when viewed from above;

[0022] Figure 3 Schematic diagram of the internal three-dimensional structure of the beam limiter body;

[0023] Figure 4 It is a schematic diagram of the three-dimensional structure of a partial cross section of the beam limiter body;

[0024] Figure 5 It is a schematic diagram of the three-dimensional structure of the X-axis adjustment component;

[0025] Figure 6 is a schematic diagram of the three-dimensional structure of the first shielding plate;

[0026] Figure 7 It is a schematic diagram of the three-dimensional structure of the Y-axis adjustment component;

[0027] Figure 8 It is a schematic diagram of the three-dimensional structure of the Y-axis adjustment component from the side.

[0028] In the figure: 1. the limiter body; 101. the handle; 102. the control panel; 103. the box door; 104. the limit ring; 106. the joint; 107. the first rotating shaft; 108. the first adjusting plate; 109. the pointer; 110. the dial; 2. the first fixing rod; 201. the pulley; 202. the mounting seat; 203. the top plate; 204. the first shaft seat; 205. the positioning rod; 206. the linkage plate; 207. the sliding rod; 208. the fixing frame; 209. the movable groove; 210. the first shielding plate; 3. the driven rod; 301, docking seat; 302, sleeve block; 303, limit rod; 304, ring; 305, bracket; 306, connecting plate; 307, adjustment frame; 308, first tooth plate; 309, first tooth disc; 4, second fixing rod; 401, sleeve ring; 402, support rod; 403, fixing seat; 404, second shielding plate; 405, side seat; 406, threaded rod; 407, second adjusting disc; 408, fixing column; 409, mounting plate; 410, second tooth plate; 411, second tooth disc; 412, adjustment shaft. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] Example: Reference Figure 1 - Figure 8 The portable beam limiter with position feedback function shown in the figure comprises a beam limiter body 1, a pair of handles 101 are fixedly connected to the bottom surface of the beam limiter body 1, a control panel 102 is fixedly installed on the surface of the beam limiter body 1, a box door 103 is installed on the top of the beam limiter body 1, a limit ring 104 is fixedly connected to the middle position of the top surface of the box door 103, a docking head 106 is fixedly connected to the limit ring 104, a first rotating shaft 107 is rotatably connected to the inside of the beam limiter body 1, and one end of the first rotating shaft 107 extends to the outside of the beam limiter body 1 A first adjusting disk 108 is fixedly connected to one end of the first rotating shaft 107, a pointer 109 is fixedly connected to the first rotating shaft 107, and a dial 110 is fixedly connected to the outer surface of the beam limiter body 1; it also includes an X-axis adjustment component, a control component and a Y-axis adjustment component. The X-axis adjustment component is installed inside the beam limiter body 1 to block the light, the control component is arranged inside the beam limiter body 1 to cooperate with the X-axis adjustment component, and the Y-axis adjustment component is installed inside the beam limiter body 1 to block the light.

[0031] Specifically, it should be noted that when the beam limiter body 1 is used in conjunction with the X-ray inspection equipment, the docking connector 106 on the beam limiter body 1 is installed with the X-ray inspection equipment, and electrical equipment is installed inside the beam limiter body 1. The specific working principles therebetween are referenced through the existing technology and will not be elaborated on here.

[0032] As an implementation method in this embodiment, the X-axis adjustment assembly includes a pair of first fixed rods 2 fixedly mounted on the inner wall of the limiter body 1, a pulley 201 is slidably connected to the pair of first fixed rods 2, the pulley 201 is rotatably connected to the mounting seat 202, the top of the mounting seat 202 is fixedly connected to the top plate 203, the top of the top plate 203 is fixedly connected to the first shaft seat 204, the first shaft seat 204 is fixedly connected to a positioning rod 205, the positioning rod 205 is fixedly connected to a linkage plate 206, the bottom end of the linkage plate 206 is fixedly connected to a slide rod 207, a pair of fixed frames 208 are arranged inside the limiter body 1, a pair of fixed frames 208 are provided with movable grooves 209, both ends of the slide rod 207 are slidably connected to the inside of the movable grooves 209, and a first baffle plate 210 is fixedly connected between the pair of fixed frames 208.

[0033] Specifically, when it is necessary to adjust the size of the light irradiated in the X-axis direction, the first adjustment disk 108 is rotated, and the first adjustment disk 108 is fixedly connected to the first rotating shaft 107. The first rotating shaft 107 is rotated by the rotation of the first adjustment disk 108. A pointer 109 is fixedly connected to the first rotating shaft 107. The pointer 109 is rotated on the dial 110 by the rotation of the first rotating shaft 107 to facilitate observation of the irradiation position of the radiation. The first toothed plate 308 is rotated by the rotation of the first rotating shaft 107. The rotation of the first toothed plate 309 facilitates the first toothed plate 308 to pull the mounting seat 202 to move. A pulley 201 is rotatably connected to the mounting seat 202, and the pulley 201 is slidably connected to the first fixed On the fixed rod 2, the mounting seat 202 is moved by moving the first tooth plate 308, the top of the mounting seat 202 is fixedly connected to the top plate 203, and the top of the top plate 203 is fixedly connected to the first shaft seat 204, the first shaft seat 204 is moved by moving the mounting seat 202, the first shaft seat 204 is fixedly connected to a positioning rod 205, and the positioning rod 205 is fixedly connected to a linkage plate 206, the first shaft seat 204 is moved so that the positioning rod 205 drives the linkage plate 206 to move, the movement of the linkage plate 206 facilitates the two ends of the slide bar 207 to slide inside the movable groove 209, and the movable groove 209 can adjust its length as needed, so as to facilitate the first shielding plates 210 to move closer to each other.

[0034] As an implementation method in this embodiment, the control component includes a driven rod 3 fixedly mounted on one end of a pair of fixed frames 208, the middle end of the driven rod 3 is rotatably connected to the docking seat 301, a pair of sleeve blocks 302 are fixedly connected to one side of the docking seat 301, and the pair of sleeve blocks 302 are slidably connected to the limit rod 303, the top of the limit rod 303 is fixedly connected to a ring 304, the bottom end of the limit rod 303 is fixedly connected to a bracket 305, one side of the bracket 305 is fixedly connected to a connecting plate 306, one end of the connecting plate 306 is fixedly connected to the inner wall of the limiter body 1, wherein one side of the mounting seat 202 is fixedly connected to an adjusting frame 307, and a first tooth plate 308 is fixedly mounted on the adjusting frame 307, the first tooth plate 308 and the first tooth disc 309 are meshed with each other, and the first tooth disc 309 is fixedly connected to the other end of the first rotating shaft 107.

[0035] Specifically, a driven rod 3 is fixedly connected to one end of the fixed frame 208, and the driven rod 3 can be moved conveniently by the movement of the fixed frame 208. A docking seat 301 is rotatably connected to the middle position of the driven rod 3, and the docking seat 301 on the driven rod 3 can be moved up and down by the movement of the fixed frame 208. One end of the docking seat 301 is fixedly connected to the sleeve block 302, and one side of the sleeve block 302 is fixedly connected to the limiting rod 303. The sleeve block 302 can slide up and down on the limiting rod 303 through the movement of the docking seat 301, thereby increasing the stability of the movement of the docking seat 301. The bottom end of the limiting rod 303 is fixedly connected to the bracket 305, so that the sleeve block 302 can move in coordination on the limiting rod 303 when the fixed frame 208 moves.

[0036] As an implementation method in this embodiment, the Y-axis adjustment component includes a pair of second fixed rods 4 fixedly installed on the inner wall of the limiter body 1, a pair of second fixed rods 4 are slidably connected with a pair of rings 401, the surfaces of the pair of rings 401 are fixedly connected with support rods 402, the tops of the support rods 402 are fixedly connected with fixed seats 403, the fixed seats 403 are fixedly connected to the second baffle plate 404, the surface of one of the rings 401 is fixedly connected with a side seat 405 in a direction perpendicular to the support rod 402, the side seat 405 is threadedly connected with a threaded rod 406, and the threaded rod 406 is threadedly connected to the side seat 405. One end of the rod 406 extends to the outside of the limiter body 1, and one end of the threaded rod 406 is fixedly connected to the second adjustment disk 407, and the surface of one group of rings 401 is fixedly connected to the support rod 402 in a vertical direction with a fixing column 408, and one end of the fixing column 408 is fixedly connected to a mounting plate 409, and the surface of the mounting plate 409 is fixedly connected to a second tooth plate 410, and the second tooth plate 410 and the second tooth disk 411 are meshed with each other, and the second tooth disk 411 is fixedly connected to the adjustment shaft 412, and the other end of the adjustment shaft 412 is rotatably connected to the inner wall of the limiter body 1.

[0037] Specifically, when it is necessary to adjust the size of the light irradiated in the Y-axis direction, the second adjusting disk 407 is rotated, and the second adjusting disk 407 is fixedly connected to the threaded rod 406. The threaded rod 406 is rotated by rotating the second adjusting disk 407. The threaded rod 406 is threadedly connected with a side seat 405, and the side seat 405 is moved by rotating the threaded rod 406. The side seat 405 is fixedly connected to the ring 401, and the side seat 405 drives the ring 401 to slide on the second fixed rod 4 by rotating the threaded rod 406. The movement of the ring 401 facilitates the movement of the mounting plate 409 on the fixed column 408. The mounting plate 409 is fixedly connected with a second tooth plate 410, and the second tooth plate 410 and the second tooth disk 411 are meshed with each other. When one of the second baffle plates 404 is moved by the movement of the ring 401, the other one is driven to move in the opposite direction, which is convenient for adjusting the irradiation range in the Y-axis direction.

[0038] Working principle of the present invention: when it is necessary to adjust the size of the light irradiated in the X-axis direction, the first adjustment disk 108 is rotated, the first adjustment disk 108 is fixedly connected to the first rotating shaft 107, and the first rotating shaft 107 is rotated by the rotation of the first adjustment disk 108. A pointer 109 is fixedly connected to the first rotating shaft 107, and the pointer 109 is rotated on the dial 110 by the rotation of the first rotating shaft 107 to facilitate observation of the irradiation position of the radiation, and the first toothed plate 308 is rotated by the rotation of the first rotating shaft 107. The rotation of the first toothed plate 309 facilitates the first toothed plate 308 to pull the mounting seat 202 to move, and a pulley 201 is rotatably connected to the mounting seat 202, and the pulley 201 is slidably connected to the first fixed rod 2. The mounting seat 202 is moved by the movement of the first tooth plate 308, the top of the mounting seat 202 is fixedly connected to the top plate 203, and the top of the top plate 203 is fixedly connected to the first shaft seat 204, the first shaft seat 204 is moved by the movement of the mounting seat 202, the first shaft seat 204 is fixedly connected to the positioning rod 205, and the positioning rod 205 is fixedly connected to the linkage plate 206, the first shaft seat 204 is moved by the positioning rod 205 to drive the linkage plate 206 to move, the movement of the linkage plate 206 facilitates the two ends of the slide bar 207 to slide inside the movable groove 209, the movable groove 209 can adjust its length as needed, so as to facilitate the first shielding plates 210 to move closer to each other and adjust the irradiation range of the X-axis light;

[0039] A driven rod 3 is fixedly connected to one end of the fixed frame 208, and the driven rod 3 can be easily moved by the movement of the fixed frame 208. A docking seat 301 is rotatably connected to the middle position of the driven rod 3. The docking seat 301 on the driven rod 3 moves up and down by the movement of the fixed frame 208. One end of the docking seat 301 is fixedly connected to the sleeve block 302, and one side of the sleeve block 302 is fixedly connected to the limiting rod 303. The sleeve block 302 slides up and down on the limiting rod 303 through the movement of the docking seat 301, thereby increasing the stability of the movement of the docking seat 301. The bottom end of the limiting rod 303 is fixedly connected to the bracket 305, so that the sleeve block 302 can move in coordination with the limiting rod 303 when the fixed frame 208 moves.

[0040] When it is necessary to adjust the size of the light irradiated in the Y-axis direction, the second adjusting disk 407 is rotated, and the second adjusting disk 407 is fixedly connected to the threaded rod 406. The threaded rod 406 is rotated by rotating the second adjusting disk 407. The threaded rod 406 is threadedly connected with a side seat 405, and the side seat 405 is moved by rotating the threaded rod 406. The side seat 405 is fixedly connected to the collar 401, and the side seat 405 drives the collar 401 to slide on the second fixed rod 4 by rotating the threaded rod 406. The movement of the collar 401 facilitates the movement of the mounting plate 409 on the fixed column 408. The mounting plate 409 is fixedly connected with a second toothed plate 410, and the second toothed plate 410 and the second toothed disk 411 are meshed with each other. When one of the second baffle plates 404 is moved by the movement of the collar 401, the other one is driven to move in the opposite direction, so as to facilitate the adjustment of the irradiation range in the Y-axis direction.

[0041] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A portable beam limiter with position feedback function, comprising a beam limiter body (1), characterized in that: A pair of handles (101) are fixedly connected to the bottom surface of the beam limiter body (1), a control panel (102) is fixedly installed on the surface of the beam limiter body (1), a box door (103) is installed on the top of the beam limiter body (1), a limit ring (104) is fixedly connected to the middle position of the top surface of the box door (103), a docking head (106) is fixedly connected to the limit ring (104), a first rotating shaft (107) is rotatably connected inside the beam limiter body (1), one end of the first rotating shaft (107) extends to the outside of the beam limiter body (1), one end of the first rotating shaft (107) is fixedly connected to a first adjusting disk (108), a pointer (109) is fixedly connected to the first rotating shaft (107), and a scale plate (110) is fixedly connected to the outer surface of the beam limiter body (1); It also comprises an X-axis adjustment component, a control component and a Y-axis adjustment component, wherein the X-axis adjustment component is installed inside the beam limiter body (1) and is used to block light, the control component is arranged inside the beam limiter body (1) and is used in conjunction with the X-axis adjustment component, and the Y-axis adjustment component is installed inside the beam limiter body (1) and is used to block light; The X-axis adjustment assembly comprises a pair of first fixing rods (2) fixedly mounted on the inner wall of the beam limiter body (1), a pulley (201) being slidably connected to the pair of first fixing rods (2), the pulley (201) being rotatably connected to a mounting seat (202), the top end of the mounting seat (202) being fixedly connected to a top plate (203), and the top end of the top plate (203) being fixedly connected to a first shaft seat (204); A positioning rod (205) is fixedly connected to the first shaft seat (204), a linkage plate (206) is fixedly connected to the positioning rod (205), a sliding rod (207) is fixedly connected to the bottom end of the linkage plate (206), a pair of fixing frames (208) are arranged inside the beam limiter body (1), movable grooves (209) are provided on the pair of fixing frames (208), two ends of the sliding rod (207) are slidably connected inside the movable grooves (209), and a first shielding plate (210) is fixedly connected between the pair of fixing frames (208); The control assembly comprises a driven rod (3) fixedly mounted on one end of a pair of fixed frames (208); the middle end of the driven rod (3) is rotatably connected to a docking seat (301); a pair of sleeve blocks (302) are fixedly connected to one side of the docking seat (301); and the pair of sleeve blocks (302) are slidably connected to a limit rod (303).

2. A portable beam limiter with position feedback function according to claim 1, characterized in that: The top end of the limiting rod (303) is fixedly connected to a ring (304), the bottom end of the limiting rod (303) is fixedly connected to a bracket (305), one side of the bracket (305) is fixedly connected to a connecting plate (306), and one end of the connecting plate (306) is fixedly connected to the inner wall of the limiter body (1).

3. A portable beam limiter with position feedback function according to claim 2, characterized in that: One side of the mounting seat (202) is fixedly connected to an adjustment frame (307), a first tooth plate (308) is fixedly mounted on the adjustment frame (307), the first tooth plate (308) and a first tooth disc (309) are meshed with each other, and the first tooth disc (309) is fixedly connected to the other end of the first rotating shaft (107).

4. A portable beam limiter with position feedback function according to claim 3, characterized in that: The Y-axis adjustment assembly comprises a pair of second fixing rods (4) fixedly mounted on the inner wall of the beam limiter body (1); a pair of collars (401) are slidably connected to the pair of second fixing rods (4); a pair of support rods (402) are fixedly connected to the surfaces of the pair of collars (401); a fixing seat (403) is fixedly connected to the top end of the support rods (402); and the fixing seat (403) is fixedly connected to the second shielding plate (404).

5. A portable beam limiter with position feedback function according to claim 4, characterized in that: A side seat (405) is fixedly connected to the surface of one of the collars (401) in a direction perpendicular to the support rod (402), a threaded rod (406) is threadedly connected to the side seat (405), one end of the threaded rod (406) extends to the outside of the beam limiter body (1), and one end of the threaded rod (406) is fixedly connected to a second adjustment disk (407).

6. A portable beam limiter with position feedback function according to claim 5, characterized in that: A fixed column (408) is fixedly connected to the surface of one group of the collars (401) in a direction perpendicular to the support rod (402), and one end of the fixed column (408) is fixedly connected to a mounting plate (409).

7. A portable beam limiter with position feedback function according to claim 6, characterized in that: A second tooth plate (410) is fixedly connected to the surface of the mounting plate (409); the second tooth plate (410) and the second tooth disc (411) are meshed with each other; the second tooth disc (411) is fixedly connected to an adjustment shaft (412); the other end of the adjustment shaft (412) is rotatably connected to the inner wall of the beam limiter body (1).

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