Compact multifunctional vehicle-mounted digital X-ray machine

Abstract

The utility model provides a compact multifunctional vehicle-mounted digital X-ray machine, belongs to the technical field of medical instruments, and aims to solve the problems that the space in an existing vehicle is small, and the occupied space is large due to fixation of a rack. Comprising an irradiation fixing sliding rail, an irradiation fixing frame, an irradiation adjusting frame, a ray machine head, a high-pressure generator, an irradiation bed body, a detection supporting frame, a flat panel detector, an irradiation adjusting mechanism and a supporting protection mechanism. The irradiation fixing frame is arranged above the irradiation fixing slide rail; the irradiation adjusting frame is connected to the upper portion of the interior of the irradiation fixing frame in a sliding mode. The high-voltage generator is placed on the left side of the irradiation fixed sliding rail; the detection support frame is arranged in front of the irradiation bed body; the flat panel detector is arranged above the detection support frame; the irradiation adjusting mechanism is arranged above the irradiation fixing slide rail; the supporting and protecting mechanism is arranged above the irradiation bed body, telescopic adjustment of the ray machine head rack is achieved, and the occupied space of the X-ray machine is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical equipment, and more specifically, particularly relates to a compact multifunctional vehicle-mounted digital X-ray machine. Background Art

[0002] The vehicle-mounted digital X-ray machine is an extension of the application site of the fixed X-ray machine in the hospital department. Compared with the fixed X-ray machine in the department, it is more convenient and can realize fast and convenient physical examination in different external scenes, truly realizing the radiological diagnosis of "going to the mountains and the countryside". The vehicle-mounted X-ray machine is carefully developed and designed for physical examination centers, medical vehicles, physical examination vehicles, and shelters. It is suitable for photographic examinations of various parts of the human body, such as: head, chest, abdomen, spine, limbs, patella, etc., providing strong support for medical institutions at all levels to quickly respond to large-scale physical examinations, infectious disease control, and sudden public health events and other emergency inspections.

[0003] The existing application number is: CN202320953979.9. The utility model discloses a digital vehicle-mounted X-ray device with adjustable focal plane, which belongs to the field of medical equipment technology, including a vehicle body and a guide rail arranged on the bottom plate of the vehicle body, and the number of guide rails arranged is not less than 1; a column is slidably arranged on the guide rail, and an X-ray tube or an image receiving device body is arranged on the column; the X-ray tube or the image receiving device body is parallel to the side wall of the vehicle and is located on the side of the column. The utility model arranges the X-ray tube or the image receiving device body on the front side of the column, so that the connection line between the X-ray tube and the column or the connection line between the image receiving device body and the column is parallel to the vehicle side wall, reduces the thickness between the X-ray tube and the column or the image receiving device body and the column, and can install the X-ray machine vertically on both side walls of the vehicle in the vehicle, and at the same time, the column on which the X-ray machine is installed is arranged on the guide rail, and is driven to move on the guide rail by a slider, so as to facilitate the adjustment of the focal plane and reasonably allocate the space in the vehicle.

[0004] Based on the above, when the existing vehicle-mounted digital X-ray machine is in use, since the existing vehicle-mounted digital X-ray machine is adjusted, the frame of the vehicle-mounted digital X-ray machine is generally fixed, and the adjustment of different positions of the patient is achieved by adjusting the position of the head. However, due to the small space in the car, the fixed frame occupies a large space, which affects the use effect of the vehicle-mounted digital X-ray machine. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a compact and multifunctional vehicle-mounted digital X-ray machine to solve the problem that when the existing vehicle-mounted digital X-ray machine is in use, the frame of the vehicle-mounted digital X-ray machine is generally fixed when adjusting, and the adjustment of different positions of the patient is achieved by adjusting the position of the head. However, due to the small space in the car, the fixing of the frame causes a large space to be occupied, which affects the use effect of the vehicle-mounted digital X-ray machine.

[0006] The purpose and function of this compact multifunctional vehicle-mounted digital X-ray machine are achieved by the following specific technical means:

[0007] A compact multifunctional vehicle-mounted digital X-ray machine, including an irradiation fixed slide rail, an irradiation fixed frame, an irradiation adjustment frame, a ray machine head, a high-voltage generator, an irradiation bed, a detection support frame, a flat-panel detector, an irradiation adjustment mechanism and a support protection mechanism;

[0008] The irradiation fixing frame is arranged above the irradiation fixing slide rail;

[0009] The irradiation adjustment frame is slidably connected to the upper part of the irradiation fixing frame;

[0010] The ray machine head is rotatably connected to the front of the irradiation adjustment frame;

[0011] The high voltage generator is placed on the left side of the irradiation fixed slide rail;

[0012] The irradiation bed is arranged on the left side of the irradiation fixed slide rail;

[0013] The detection support frame is arranged in front of the irradiation bed;

[0014] The flat panel detector is arranged above the detection support frame;

[0015] The irradiation adjustment mechanism is arranged above the irradiation fixed slide rail;

[0016] The supporting and protecting mechanism is arranged above the irradiation bed.

[0017] Furthermore, the irradiation adjustment mechanism includes: an irradiation adjustment slide, an irradiation adjustment motor and an adjustment drive sprocket;

[0018] The irradiation adjustment slide is slidably connected above the irradiation fixed slide rail, and the upper end of the irradiation adjustment slide is fixedly connected to the irradiation fixed frame;

[0019] The irradiation adjustment motor is fixedly connected to the inside of the irradiation fixed slide rail;

[0020] There are two groups of adjusting drive sprockets, which are connected by chain transmission. The rear group of adjusting drive sprockets is coaxially fixedly connected to the rotating shaft of the irradiation adjustment motor, and the chain structure of the adjusting drive sprocket is fixedly connected to the irradiation adjustment slide.

[0021] Furthermore, the irradiation adjustment mechanism also includes: an irradiation lifting motor and an irradiation lifting screw;

[0022] The irradiation lifting motor is fixedly connected to the inside of the irradiation fixing frame;

[0023] The irradiation lifting screw is coaxially fixedly connected to the upper end of the rotating shaft of the irradiation lifting motor, and the irradiation lifting screw is threadedly connected to the irradiation adjustment frame.

[0024] Furthermore, the irradiation adjustment mechanism also includes: a detection lifting motor, a detection lifting screw and a detection adjustment member;

[0025] The detection lifting motor is fixedly connected to the inside of the detection support frame;

[0026] The detection lifting screw is coaxially fixedly connected to the upper end of the rotating shaft of the detection lifting motor;

[0027] The detection adjusting member is slidably connected to the inner upper end of the detection supporting frame, the detection adjusting member is threadedly connected to the detection lifting screw, and the detection adjusting member is fixedly connected to the lower end of the flat-panel detector.

[0028] Furthermore, the irradiation adjustment mechanism also includes: an angle driving shaft, a locking hole and a locking pin;

[0029] The angle drive shaft is coaxially fixedly connected to the right side of the ray machine head, and the angle drive shaft is rotatably connected to the inside of the irradiation adjustment frame;

[0030] There are two groups of locking holes, both of which are circular hole structures, and the two groups of locking holes are respectively opened on the outer periphery of the angle driving shaft;

[0031] The locking pin is a spring pin structure, and the locking pin is slidably connected to the inner upper end of the irradiation adjustment frame.

[0032] Furthermore, the support and protection mechanism includes: a lifting jack, a reeling roller, a reeling roller, a protection transmission ratchet, a protection transmission shaft, a protection reset spring and a protection transmission rope;

[0033] The lifting jacks are provided with two groups in total, and the two groups of lifting jacks are respectively fixedly connected to the bottom of the irradiation bed, and the two groups of lifting jacks are connected by screw transmission;

[0034] The unwinding roller is rotatably connected to the upper left side of the irradiation bed, and the outer periphery of the unwinding roller is covered with a film structure;

[0035] The winding roller is rotatably connected to the upper right side of the irradiation bed, and the right end of the film of the unwinding roller is fixedly connected to the winding roller;

[0036] The protective transmission ratchet is coaxially fixedly connected to the rear end of the winding roller;

[0037] The protection transmission shaft is coaxially fixedly connected to the rear end of the protection transmission ratchet;

[0038] The protection return spring is a scroll spring structure, and the protection return spring is fixedly connected to the outer periphery of the protection transmission shaft;

[0039] The lower end of the protection transmission rope is fixedly connected to the vehicle body, and the upper end of the protection transmission rope is fixedly connected to the protection transmission shaft.

[0040] Compared with the prior art, the utility model has the following beneficial effects:

[0041] The utility model provides an irradiation adjustment mechanism, when it is necessary to irradiate the patient with X-rays, the detection lifting motor is turned on, the rotation of the shaft of the detection lifting motor drives the detection lifting screw to rotate, the rotation of the detection lifting screw drives the detection adjusting member to move up and down, the up and down movement of the detection adjusting member drives the flat-panel detector to move up and down, the up and down movement of the flat-panel detector realizes the height adjustment, which is convenient for standing shooting of the patient, and the X-ray machine head is rotated, the rotation of the X-ray machine head drives the angle driving shaft to rotate, the rotation of the angle driving shaft drives the locking hole to rotate, and after the locking hole is rotated to be aligned with the locking pin, the locking of the X-ray machine head is realized. When it is necessary to shoot the patient in a supine position, the patient is placed above the irradiation bed, the irradiation adjustment motor is turned on, and the irradiation adjustment motor is turned on. The rotation of the rotating shaft drives the adjustment drive sprocket to rotate, the rotation of the adjusting drive sprocket drives the irradiation adjustment slide to move forward and backward, the forward and backward movement of the irradiation adjustment slide drives the irradiation fixing frame to move forward and backward, the forward and backward movement of the irradiation fixing frame drives the X-ray machine head to move forward and backward, the forward and backward movement of the X-ray machine head realizes the adjustment of the irradiation position, turns on the irradiation lifting motor, the rotation of the rotating shaft of the irradiation lifting motor drives the rotation of the irradiation lifting screw, the rotation of the irradiation lifting screw drives the irradiation adjustment frame to move up and down, the up and down movement of the irradiation adjustment frame realizes the adjustment of the vertical height of the X-ray machine head, facilitates the adjustment of the entire X-ray machine, realizes the telescopic adjustment of the X-ray machine head frame, reduces the space occupied by the X-ray machine, facilitates the use of the X-ray machine as a vehicle-mounted device, and reduces the impact of the X-ray machine on the outside.

[0042] The utility model supports the setting of the protection mechanism and rotates the lead screw of the lifting jack. The lifting jack moves downward and drives the irradiation bed body to move downward. The irradiation bed body moves downward to relax the protection transmission rope. The protection reset spring resets and drives the protection transmission shaft to rotate. The rotation of the protection transmission shaft drives the protection transmission ratchet to rotate. The rotation of the protection transmission ratchet drives the winding roller to rotate. The rotation of the winding roller realizes the winding and replacement of the film, which is convenient for the next patient, ensures the hygiene of medical treatment, avoids manual replacement by medical staff, and reduces the labor intensity of medical staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0044] Figure 2 It is a schematic diagram of the structure of the irradiation fixed slide rail of the utility model.

[0045] Figure 3 It is a schematic diagram of the structure of the detection lifting motor of the utility model.

[0046] Figure 4 It is a schematic diagram of the structure of the irradiation regulating motor of the utility model.

[0047] Figure 5 It is a schematic diagram of the locking hole structure of the utility model.

[0048] Figure 6 It is a structural schematic diagram of the support and protection mechanism of the utility model.

[0049] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0050] 1. Irradiation fixed slide rail; 101. Irradiation adjustment slide seat; 102. Irradiation adjustment motor; 103. Adjustment drive sprocket; 104. Irradiation lifting motor; 105. Irradiation lifting screw; 106. Detection lifting motor; 107. Detection lifting screw; 108. Detection adjustment member; 109. Angle drive shaft; 110. Locking hole; 111. Locking pin; 2. Irradiation fixed frame; 3. Irradiation adjustment frame; 4. X-ray machine head; 5. High voltage generator; 6. Irradiation bed; 7. Detection support frame; 701. Lifting jack; 702. Unwinding roller; 703. Rewinding roller; 704. Protection transmission ratchet; 705. Protection transmission shaft; 706. Protection reset spring; 707. Protection transmission rope; 8. Flat panel detector. DETAILED DESCRIPTION

[0051] The implementation of the utility model is further described in detail below in conjunction with the drawings and examples.

[0052] Embodiment 1:

[0053] As attached Figure 1 To Attachment Figure 5 As shown:

[0054] The utility model provides a compact multifunctional vehicle-mounted digital X-ray machine, comprising an irradiation fixed slide rail 1, an irradiation fixed frame 2, an irradiation adjustment frame 3, a ray machine head 4, a high voltage generator 5, an irradiation bed 6, a detection support frame 7, a flat panel detector 8 and an irradiation adjustment mechanism;

[0055] The irradiation fixing frame 2 is arranged above the irradiation fixing slide rail 1;

[0056] The irradiation adjustment frame 3 is slidably connected to the upper part of the irradiation fixing frame 2;

[0057] The ray machine head 4 is rotatably connected to the front of the irradiation adjustment frame 3;

[0058] The high voltage generator 5 is placed on the left side of the irradiation fixed slide rail 1;

[0059] The irradiation bed 6 is arranged on the left side of the irradiation fixed slide rail 1;

[0060] The detection support frame 7 is arranged in front of the irradiation bed 6;

[0061] The flat panel detector 8 is arranged above the detection support frame 7;

[0062] The irradiation adjustment mechanism is arranged above the irradiation fixed slide rail 1 .

[0063] The irradiation adjustment mechanism includes: an irradiation adjustment slide 101, an irradiation adjustment motor 102, an adjustment drive sprocket 103, an irradiation lifting motor 104, an irradiation lifting screw 105, a detection lifting motor 106, a detection lifting screw 107, a detection adjustment member 108, an angle driving shaft 109, a locking hole 110 and a locking pin 111;

[0064] The irradiation adjustment slide 101 is slidably connected above the irradiation fixed slide rail 1, and the upper end of the irradiation adjustment slide 101 is fixedly connected to the irradiation fixed frame 2;

[0065] The irradiation adjustment motor 102 is fixedly connected to the inside of the irradiation fixed slide rail 1;

[0066] There are two groups of adjusting drive sprockets 103, which are connected by chain transmission, wherein the rear group of adjusting drive sprockets 103 is coaxially fixedly connected to the rotating shaft of the irradiation adjustment motor 102, and the chain structure of the adjusting drive sprocket 103 is fixedly connected to the irradiation adjustment slide 101;

[0067] The irradiation lifting motor 104 is fixedly connected to the inside of the irradiation fixing frame 2;

[0068] The irradiation lifting screw 105 is coaxially fixedly connected to the upper end of the rotating shaft of the irradiation lifting motor 104, and the irradiation lifting screw 105 is threadedly connected to the irradiation adjustment frame 3;

[0069] The detection lifting motor 106 is fixedly connected to the inside of the detection support frame 7;

[0070] The detection lifting screw 107 is coaxially fixedly connected to the upper end of the rotating shaft of the detection lifting motor 106;

[0071] The detection adjustment member 108 is slidably connected to the inner upper end of the detection support frame 7, the detection adjustment member 108 is threadedly connected to the detection lifting screw 107, and the detection adjustment member 108 is fixedly connected to the lower end of the flat panel detector 8;

[0072] The angle driving shaft 109 is coaxially fixedly connected to the right side of the ray machine head 4, and the angle driving shaft 109 is rotatably connected to the inside of the irradiation adjustment frame 3;

[0073] There are two groups of locking holes 110, both of which are circular hole structures. The two groups of locking holes 110 are respectively opened on the outer periphery of the angle driving shaft 109;

[0074] The locking pin 111 is a spring pin structure, and the locking pin 111 is slidably connected to the inner upper end of the irradiation adjustment frame 3 .

[0075] When the patient needs to be exposed to X-rays, the detection lifting motor 106 is turned on, and the rotation of the shaft of the detection lifting motor 106 drives the detection lifting screw 107 to rotate, and the rotation of the detection lifting screw 107 drives the detection adjustment member 108 to move up and down, and the up and down movement of the detection adjustment member 108 drives the flat-panel detector 8 to move up and down. The up and down movement of the flat-panel detector 8 realizes the height adjustment, which is convenient for standing shooting of the patient, and the X-ray machine head 4 is rotated. The rotation of the X-ray machine head 4 drives the angle driving shaft 109 to rotate, and the rotation of the angle driving shaft 109 drives the locking hole 110 to rotate. After the locking hole 110 rotates to align with the locking pin 111, the locking of the X-ray machine head 4 is realized. When the patient needs to be exposed to X-rays in a supine position, the patient is placed above the irradiation bed 6, and the irradiation adjustment motor 102 is turned on. The rotation of the rotating shaft drives the adjusting driving sprocket 103 to rotate, and the rotation of the adjusting driving sprocket 103 drives the irradiation adjusting slide 101 to move forward and backward, and the forward and backward movement of the irradiation adjusting slide 101 drives the irradiation fixing frame 2 to move forward and backward, and the forward and backward movement of the irradiation fixing frame 2 drives the X-ray machine head 4 to move forward and backward, and the forward and backward movement of the X-ray machine head 4 realizes the adjustment of the irradiation position, and the irradiation lifting motor 104 is turned on, and the rotation of the rotating shaft of the irradiation lifting motor 104 drives the irradiation lifting screw 105 to rotate, and the rotation of the irradiation lifting screw 105 drives the irradiation adjusting frame 3 to move up and down, and the up and down movement of the irradiation adjusting frame 3 realizes the adjustment of the vertical height of the X-ray machine head 4, which is convenient for the adjustment of the entire X-ray machine, realizes the telescopic adjustment of the X-ray machine head 4 frame, reduces the occupied space of the X-ray machine, facilitates the use of the X-ray machine as a vehicle-mounted device, and reduces the external impact on the X-ray machine.

[0076] Embodiment 2:

[0077] The utility model provides a compact multifunctional vehicle-mounted digital X-ray machine. Based on the first embodiment, Figures 1 to 6 As shown, it also includes a supporting and protecting mechanism, which is arranged above the irradiation bed 6.

[0078] The supporting and protecting mechanism includes: a lifting jack 701, a reeling roller 702, a reeling roller 703, a protecting transmission ratchet 704, a protecting transmission shaft 705, a protecting reset spring 706 and a protecting transmission rope 707;

[0079] There are two sets of lifting jacks 701, which are respectively fixedly connected to the bottom of the irradiation bed 6, and the two sets of lifting jacks 701 are connected by screw transmission;

[0080] The unwinding roller 702 is rotatably connected to the upper left side of the irradiation bed 6, and the outer periphery of the unwinding roller 702 is covered with a film structure;

[0081] The winding roller 703 is rotatably connected to the upper right side of the irradiation bed 6, and the right end of the film of the unwinding roller 702 is fixedly connected to the winding roller 703;

[0082] The protective transmission ratchet 704 is coaxially fixedly connected to the rear end of the winding roller 703;

[0083] The protection transmission shaft 705 is coaxially fixedly connected to the rear end of the protection transmission ratchet 704;

[0084] The protection return spring 706 is a scroll spring structure, and the protection return spring 706 is fixedly connected to the outer periphery of the protection transmission shaft 705;

[0085] The lower end of the protection transmission rope 707 is fixedly connected to the vehicle body, and the upper end of the protection transmission rope 707 is fixedly connected to the protection transmission shaft 705 .

[0086] During use, after the irradiation bed 6 is used, the screw of the lifting jack 701 is rotated, and the lifting jack 701 moves downward to drive the irradiation bed 6 to move downward. The irradiation bed 6 moves downward to relax the protection transmission rope 707, and the protection reset spring 706 resets to drive the protection transmission shaft 705 to rotate. The protection transmission shaft 705 rotates to drive the protection transmission ratchet 704 to rotate. The protection transmission ratchet 704 rotates to drive the winding roller 703 to rotate. The rotation of the winding roller 703 realizes the winding and replacement of the film, which is convenient for the next patient to use and ensures the hygiene of medical treatment. When the irradiation bed 6 rises, the protection transmission rope 707 pulls the protection transmission shaft 705 to rotate. The protection transmission shaft 705 rotates to realize the charging of the protection reset spring 706. At the same time, the protection transmission ratchet 704 is in a non-cooperative state and the winding roller 703 does not rotate.

[0087] In this article, there are a few points to note:

[0088] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0089] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0090] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A compact multifunctional vehicle-mounted digital X-ray machine, comprising an irradiation fixed slide rail (1), an irradiation fixed frame (2), an irradiation adjustment frame (3), a ray machine head (4), a high voltage generator (5), an irradiation bed (6), a detection support frame (7), a flat panel detector (8), an irradiation adjustment mechanism and a support protection mechanism; characterized in that: The irradiation fixed frame (2) is arranged above the irradiation fixed slide rail (1); the irradiation adjustment frame (3) is slidably connected to the upper part of the irradiation fixed frame (2); the ray machine head (4) is rotatably connected to the front of the irradiation adjustment frame (3); the high-voltage generator (5) is placed on the left side of the irradiation fixed slide rail (1); the irradiation bed (6) is arranged on the left side of the irradiation fixed slide rail (1); the detection support frame (7) is arranged in front of the irradiation bed (6); the flat panel detector (8) is arranged above the detection support frame (7); the irradiation adjustment mechanism is arranged above the irradiation fixed slide rail (1); and the support protection mechanism is arranged above the irradiation bed (6).

2. The compact multifunctional vehicle-mounted digital X-ray machine as claimed in claim 1, characterized in that: The irradiation adjustment mechanism comprises: an irradiation adjustment slide (101), an irradiation adjustment motor (102) and an adjustment drive sprocket (103); the irradiation adjustment slide (101) is slidably connected above an irradiation fixed slide rail (1), and the upper end of the irradiation adjustment slide (101) is fixedly connected to an irradiation fixed frame (2); the irradiation adjustment motor (102) is fixedly connected inside the irradiation fixed slide rail (1); two groups of the adjustment drive sprockets (103) are provided, and the two groups of adjustment drive sprockets (103) are connected through chain transmission, wherein the rear group of adjustment drive sprockets (103) is coaxially fixedly connected to the rotating shaft of the irradiation adjustment motor (102), and the chain structure of the adjustment drive sprocket (103) is fixedly connected to the irradiation adjustment slide (101).

3. The compact multifunctional vehicle-mounted digital X-ray machine as claimed in claim 1, characterized in that: The irradiation adjustment mechanism further comprises: an irradiation lifting motor (104) and an irradiation lifting screw (105); the irradiation lifting motor (104) is fixedly connected inside the irradiation fixing frame (2); the irradiation lifting screw (105) is coaxially fixedly connected to the upper end of the rotating shaft of the irradiation lifting motor (104), and the irradiation lifting screw (105) is threadedly connected to the irradiation adjustment frame (3).

4. The compact multifunctional vehicle-mounted digital X-ray machine as claimed in claim 1, characterized in that: The irradiation adjustment mechanism further comprises: a detection lifting motor (106), a detection lifting screw (107) and a detection adjustment member (108); the detection lifting motor (106) is fixedly connected to the inside of the detection support frame (7); the detection lifting screw (107) is coaxially fixedly connected to the upper end of the rotating shaft of the detection lifting motor (106); the detection adjustment member (108) is slidably connected to the upper end of the inside of the detection support frame (7), the detection adjustment member (108) is threadedly connected to the detection lifting screw (107), and the detection adjustment member (108) is fixedly connected to the lower end of the flat panel detector (8).

5. The compact multifunctional vehicle-mounted digital X-ray machine as claimed in claim 1, characterized in that: The irradiation adjustment mechanism further comprises: an angle drive shaft (109), a locking hole (110) and a locking pin (111); the angle drive shaft (109) is coaxially fixedly connected to the right side of the ray machine head (4), and the angle drive shaft (109) is rotatably connected to the inside of the irradiation adjustment frame (3); two groups of locking holes (110) are provided, both of which are circular hole structures, and the two groups of locking holes (110) are respectively opened on the outer periphery of the angle drive shaft (109); the locking pin (111) is a spring pin structure, and the locking pin (111) is slidably connected to the upper end of the inside of the irradiation adjustment frame (3).

6. The compact multifunctional vehicle-mounted digital X-ray machine as claimed in claim 1, characterized in that: The supporting and protecting mechanism comprises: a lifting jack (701), an unwinding roller (702), a winding roller (703), a protecting transmission ratchet (704), a protecting transmission shaft (705), a protecting reset spring (706) and a protecting transmission rope (707); the lifting jack (701) is provided in two groups, the two groups of lifting jacks (701) are respectively fixedly connected to the bottom of the irradiation bed (6), and the two groups of lifting jacks (701) are connected by a lead screw transmission; the unwinding roller (702) is rotatably connected to the upper left side of the irradiation bed (6), and the outer periphery of the unwinding roller (702) is coated with a film structure; the winding roller (703 ... winding roller (703) is rotatably connected to the lower left side of the irradiation bed (6). The protective transmission ratchet (704) is coaxially fixedly connected to the rear end of the winding roller (703); the protective transmission shaft (705) is coaxially fixedly connected to the rear end of the protective transmission ratchet (704); the protective reset spring (706) is a volute spring structure, and the protective reset spring (706) is fixedly connected to the outer periphery of the protective transmission shaft (705); the lower end of the protective transmission rope (707) is fixedly connected to the vehicle body, and the upper end of the protective transmission rope (707) is fixedly connected to the protective transmission shaft (705).

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