Quick release device with guided positioning

Abstract

The utility model relates to a quick unloading device with orientation positioning relates to the field of radiotherapy technology. The utility model discloses a quick unloading device with orientation positioning, including base, guide slide and mounting seat, and mounting seat can be freely moved in the guide slide in the base according to the predetermined direction through the rolling support structure, simultaneously makes the light beam processing module on its after inserting the mounting seat in the base and the center of collimator and multileaf collimator on both sides of the base fast alignment, therefore can realize the quick positioning installation of light beam processing module in the limited space range defined by the base, satisfies the test and operation and maintenance demand of light beam processing module, especially applicable to the quick unloading scene of the system component early stage free introduction, late period guide and lock in place.

Description

Technical Field

[0001] This utility model relates to the field of radiotherapy technology, and in particular to a quick-release device with guide positioning. Background Technology

[0002] In a beam system, a beam processing module is installed between the collimator and the multi-leaf grating to process the beam. Conventionally, to ensure alignment between the beam processing module and the centers of the collimator and grating, fasteners are used to secure the module at predetermined positions between them. However, this method cannot meet the requirements for rapid, efficient, and convenient installation and removal of the beam processing module, thus impacting its testing and maintenance. Utility Model Content

[0003] This invention provides a quick-release device with guide positioning to solve at least one of the above-mentioned technical problems.

[0004] This utility model provides a quick-release device with guide positioning, comprising:

[0005] A base for connecting collimators and multi-leaf gratings located on both sides thereon;

[0006] A guide slide, wherein the guide slide is disposed in the receiving cavity of the base and extends between the inlet / outlet of the base and the maintenance window of the base; and

[0007] The mounting base has a beam processing module and a rolling support structure connected to its upper and lower sides, respectively. The rolling support structure can move freely in the guide slide to guide the mounting base to be inserted into the base so that the beam processing module is aligned with the center of the collimator and the multi-leaf grating, or to guide the mounting base to be pulled out of the base.

[0008] In one embodiment, the rolling support structure is configured as height-adjustable ball bearings or omnidirectional rollers, the diameter of which is smaller than the width of the guide rail, so that the ball bearings or omnidirectional rollers can move freely in the guide rail.

[0009] In one embodiment, the center of the base is aligned with the center of the beam processing module, the collimator, and the multi-leaf grating. A limiting structure is also provided at the limiting zero point of the base. The mounting base is configured to engage with the limiting structure when inserted into the base, so that the center of the beam processing module on the mounting base is aligned with the center of the base.

[0010] In one embodiment, the front end of the mounting base is provided with a guide portion, one of the guide portion and the limiting structure is constructed as a self-positioning guide pin, and the other of the guide portion and the limiting structure has an insertion hole. The self-positioning guide pin enables the rolling support structure to adjust its position in the guide slide so as to insert into the insertion hole, thereby guiding the guide portion and the limiting structure to interlock.

[0011] In one embodiment, the base is further provided with an electrical connection part, which is connected to or integrally formed with the limiting structure. The front end of the mounting base is also provided with an electrical connector. When the guide part and the limiting structure are inserted into each other, the electrical connector and the electrical connection part are inserted into each other and connected.

[0012] In one embodiment, the mounting base is further connected to an auxiliary support structure. The auxiliary support structure and the rolling support structure are located on opposite sides of the center of the beam processing module. When the mounting base is inserted into the base, the auxiliary support structure can abut against the end of the guide slide or enter the guide slide. When the mounting base is pulled out of the base, the auxiliary support structure can detach from the guide slide and provide support outside the base.

[0013] In one embodiment, a locking structure is also included, located on the outside of the base, which locks the mounting base in the base after it is inserted into the base.

[0014] In one embodiment, the rear end of the mounting base is provided with a locking plate, and the locking plate is provided with a locking positioning part;

[0015] The locking structure includes a locking step and a locking engagement part. When the locking structure is locked, the locking plate abuts against the locking step, and the locking positioning part engages with the locking engagement part.

[0016] In one embodiment, the locking structure further includes a locking member, and a locking hole is provided below the inlet / outlet of the base. The locking member is detachably connected to the locking hole to lock the mounting base in the base or to unlock the mounting base from the base.

[0017] In one embodiment, the base is provided with one or more openings in the circumferential direction, and the openings communicate with the receiving cavity.

[0018] Compared with the prior art, the advantages of this utility model are that the mounting base can move freely in the guide slide in the base in a predetermined direction through the rolling support structure. At the same time, after the mounting base is inserted into the base, the beam processing module on it is quickly aligned with the center of the collimator and multi-leaf grating on both sides of the base. Therefore, it can realize the rapid positioning and installation of the beam processing module within the limited space of the base, meet the testing and maintenance needs of the beam processing module, and is especially suitable for the rapid disassembly scenario where system components are freely introduced in the early stage and guided into place and locked in the later stage. Attached Figure Description

[0019] The present invention will be described in more detail below based on embodiments and with reference to the accompanying drawings.

[0020] Figure 1 This is a three-dimensional structural diagram of the quick-release device with guide positioning connected to the collimator and multi-leaf grating in an embodiment of this utility model.

[0021] Figure 2 This is a three-dimensional structural diagram of a quick-release device with guide positioning in an embodiment of the present invention, showing the state in which the locking structure locks the mounting base in the base;

[0022] Figure 3 This is a three-dimensional structural diagram of a quick-release device with guide positioning in an embodiment of the present invention, showing the state in which the locking structure unlocks the mounting base from the base;

[0023] Figure 4 yes Figure 2 A cross-sectional view of the quick-release device with guide positioning shown;

[0024] Figure 5 This is a top view of a quick-release device with guide positioning in an embodiment of the present invention, showing the state in which the locking structure unlocks the mounting base from the base;

[0025] Figure 6 This is a top view of a quick-release device with guide positioning in an embodiment of the present invention, showing the state in which the locking structure locks the mounting base in the base;

[0026] Figure 7 This is a side view of the quick-release device with guide positioning in an embodiment of this utility model;

[0027] Figure 8 and Figure 9 They are Figure 2 The cross-sectional view of the quick-release device with guide positioning shown illustrates the state in which the locking structure unlocks the mounting base from the base and the state in which the mounting base is pulled out of the base with multiple degrees of freedom.

[0028] Figure 10yes Figure 2 The diagram shows a three-dimensional structure of the mounting base.

[0029] Figure label:

[0030] 100. Base; 110. Collimator; 120. Multi-leaf grating;

[0031] 101. Inlet / outlet; 102. Maintenance window; 103. Receiving cavity; 104. Locking hole; 105. Opening;

[0032] 200. Guide slide;

[0033] 300. Limiting structure; 301. Electrical connection part; 302. Socket; 303. Boss; 304. Loop lock;

[0034] 400. Guide section; 401. Conical tip;

[0035] 500. Mounting base; 501. Front end; 502. Locking and positioning part; 503. Locking plate;

[0036] 600, rolling support structure; 700, auxiliary support structure;

[0037] 800. Locking structure; 801. Locking element; 802. Locking step; 803. Locking engagement part;

[0038] 8011, coil; 8012, iron core;

[0039] 900. Beam processing module; 901. Electrical connector. Detailed Implementation

[0040] The present invention will be further described below with reference to the accompanying drawings.

[0041] like Figures 1-10 As shown, this utility model provides a quick-release device with guide positioning, which is applied in the field of radiotherapy, especially in beam systems. Specifically, the quick-release device with guide positioning of this utility model includes a base 100, a guide slide 200, a mounting base 500, and a locking structure 800. Figure 1As shown, the base 100 connects the collimator 110 and the multi-leaf grating 120 (MLC) located on its two sides. The electron beam radiation field through the collimator 110 is a cone beam, and the multi-leaf grating 120 below it is used to shape the radiation field into the shape of a tumor to meet the requirements of conformal radiotherapy. In order to obtain a satisfactory electron radiation field, the distance between the collimator 110 and the multi-leaf grating 120 should be small, generally within 20 mm, to avoid the distance between the collimator 110 and the multi-leaf grating 120 being too large and affecting the area of ​​the radiation field formation. Therefore, the height of the base 100 cannot exceed 20 mm, and the beam processing module 900 in the base 100 also needs to be frequently disassembled and installed to meet the requirements of daily maintenance. Therefore, the quick-release device with guide positioning of the present invention realizes the function of quick positioning, installation, operation and maintenance of the beam processing module 900 within a limited space (e.g., a height of 20 mm).

[0042] like Figure 2 As shown, the base 100 has a cylindrical structure, and its shape can match the collimator 110 and the multi-leaf grating 120. The base 100 can be obtained by machining or casting. The base 100 is provided with a receiving cavity 103. On opposite sides of the base 100, there are respectively an inlet / outlet 101 and a maintenance window 102 communicating with the receiving cavity 103. The beam processing module 900 can enter the receiving cavity 103 through the inlet / outlet 101 and expose the base 100 through the maintenance window 102, so that routine maintenance work can be performed through the maintenance window 102.

[0043] The opening size of the inlet / outlet 101 is sufficient to allow the mounting base 500 to pass through. Since the inlet / outlet 101 is located on the side wall of the base 100, it is an arc-shaped groove with a central angle of, for example, 60° to 120°. The maintenance window 102 can be located on the side of the base 100 opposite to the inlet / outlet 101, and the two can be symmetrically arranged about the center of the base 100.

[0044] In addition, such as Figure 3 As shown, the base 100 has one or more openings 105 in the circumferential direction, and the openings 105 communicate with the receiving cavity 103. The openings 105 can reduce weight; they can also be used as wiring channels for connecting wires; in addition, the openings 105 can also serve as observation windows to observe the components in the receiving cavity 103.

[0045] like Figure 2As shown, a guide slide 200 is provided in the base 100, extending between the entry / exit port 101 and the maintenance window 102 of the base 100. The guide slide 200 can be constructed as a straight line, a broken line, or a curve, depending on the internal space of the receiving cavity 103 of the base 100. The guide slide 200 is designed to provide guidance and support for the beam processing module 900 as it enters the receiving cavity 103 from the entry / exit port 101. Figure 2 In the embodiment shown, the guide slide 200 is a straight slide, and there are two of them, such as... Figure 4 As shown, the two guide rails 200 are located on both sides of the mounting base 500.

[0046] The beam processing module 900 is fixedly mounted on the upper side of the mounting base 500. For example, the beam processing module 900 can be fixed to the mounting base 500 by means of shaft connection to ensure that the center alignment between the beam processing module 900 and the mounting base 500 is guaranteed.

[0047] A rolling support structure 600 is connected to the lower side of the mounting base 500. For example... Figure 4 As shown, the rolling support structure 600 can move freely within the guide slide 200 to guide the mounting base 500 into the base 100 so that the beam processing module 900 is aligned with the center of the collimator 110 and the multi-leaf grating 120, or to guide the mounting base 500 out of the base 100. The ability of the rolling support structure 600 to move freely within the guide slide 200 means that the rolling support structure 600 can move along the extension direction of the guide slide 200, or it can move in any other direction within the guide slide 200, such as along the width direction of the guide slide 200. In other words, the guide slide 200 only provides support for the rolling support structure 600 and does not restrict its direction of movement. Therefore, the mounting base 500 can move horizontally (i.e., along the extension direction or length direction of the guide slide 200), laterally (i.e., along the width direction of the guide slide 200), or pitch (i.e., in a direction perpendicular to the guide slide 200) within the guide slide 200 via the rolling support structure 600. The aforementioned movement of the mounting base 500 within the guide slide 200 facilitates the quick insertion of the mounting base 500 into the base 100 or its quick and smooth removal from the base 100, thereby optimizing the internal spatial layout of the base 100 while meeting functional requirements.

[0048] like Figure 4As shown, the rolling support structure 600 is constructed as height-adjustable ball bearings or omnidirectional rollers. The diameter of the ball bearings or omnidirectional rollers is smaller than the width of the guide rail 200, allowing the ball bearings or omnidirectional rollers to move freely within the guide rail 200. This invention abandons the existing method of tightly fitting slide rails and guide tracks, instead using ball bearings or omnidirectional rollers within the guide rail 200. The movement of the ball bearings or omnidirectional rollers within the guide rail 200 is not constrained by the guide rail 200, allowing them to move in all directions within the guide rail 200. This enables smooth installation and removal of the mounting base 500 within a limited space.

[0049] like Figure 4 As shown, and please refer to Figure 8 and Figure 9 As shown, an auxiliary support structure 700 is also connected to the mounting base 500. The auxiliary support structure 700 and the rolling support structure 600 are located on either side of the center of the beam processing module 900. When the mounting base 500 is inserted into the base 100, the auxiliary support structure 700 can move within the guide slide 200. When the mounting base 500 is pulled out of the base 100, the auxiliary support structure 700 can detach from the guide slide 200 and provide support outside the base 100. Therefore, when the mounting base 500 is pulled out of the base 100, it can be pulled out in a multi-degree-of-freedom manner without strictly following a predetermined path.

[0050] The auxiliary support structure 700 can be similar to the rolling support structure 600, also employing a ball bearing or omnidirectional roller structure. For example... Figure 8 and Figure 9 As shown, when the mounting base 500 is pulled out of the base 100, or in the initial stage of inserting the mounting base 500 into the base 100, the auxiliary support structure 700 can provide support on the outside of the base 100 to prevent the portion of the mounting base 500 outside the base 100 from being too long, which could lead to damage or other accidents. In the later stage of inserting the mounting base 500 into the base 100, the auxiliary support structure 700 can abut against the end of the guide rail 200, or it can also enter the guide rail 200.

[0051] Furthermore, the heights of both the rolling support structure 600 and the auxiliary support structure 700 on the mounting base 500 are adjustable. Specifically, a first fastener is provided at the front end 501 of the mounting base 500, and the rolling support structure 600 can be connected to the bottom end of the first fastener. The first fastener and the front end 501 are connected by threads. Therefore, by tightening or loosening the first fastener, the distance between the rolling support structure 600 and the bottom surface of the mounting base 500 can be adjusted, thereby adjusting the installation height of the mounting base 500 in the base 100.

[0052] Similarly, a locking plate 503 is provided at the rear end of the mounting base 500, and a second fastener is provided on the locking plate 503. The auxiliary support structure 700 is connected to the bottom end of the second fastener. By tightening or loosening the second fastener, the distance between the auxiliary support structure 700 and the bottom surface of the mounting base 500 can be adjusted, thereby adjusting the support position of the auxiliary support structure 700 outside the base 100.

[0053] Furthermore, the base 100 is a cylindrical structure with the same shape as the collimator 110 and the multi-leaf grating 120. After installation, the base 100 is coaxial with the collimator 110 and the multi-leaf grating 120, thus ensuring that the center of the base 100 is aligned with the centers of the collimator 110 and the multi-leaf grating 120. Additionally, it must be ensured that after the beam processing module 900 is inserted into the base 100, the center of the beam processing module 900 is also aligned with the centers of the collimator 110 and the multi-leaf grating 120. Therefore, a limiting structure 300 is provided at the limiting zero point of the base 100. The mounting base 500 is constructed so that it can be inserted into the limiting structure 300 when inserted into the base 100. Since the axis of the mounting base 500 coincides with the axis of the beam processing module 900, when the mounting base 500 and the limiting structure 300 are inserted into each other, it means that the limiting zero point of the mounting base 500 and the base 100 are aligned. This makes the center of the beam processing module 900 on the mounting base 500 aligned with the center of the base 100, thus ensuring the center alignment of the collimator 110, the beam processing module 900 and the multi-leaf grating 120, thereby achieving the accuracy and operability of the beam processing module 900 installation.

[0054] Understandably, the end of the guide slide 200 near the maintenance window 102 is aligned with the limit zero point of the base 100.

[0055] like Figure 3 and Figure 5 As shown, the front end of the mounting base 500 is provided with a guide portion 400. One of the guide portion 400 and the limiting structure 300 is constructed as a self-positioning guide pin, and the other of the guide portion 400 and the limiting structure 300 has an insertion hole. The self-positioning guide pin allows the rolling support structure 600 to adjust its position in the guide slide 200 so as to insert into the insertion hole, thereby guiding the guide portion 400 and the limiting structure 300 to interlock. Figure 3 and Figure 5In the illustrated embodiment, the guide portion 400 is constructed as a self-positioning guide pin with a tapered tip 401. A boss 303 is constructed on the limiting structure 300, and an insertion hole 302 is located in the boss 303. The extension direction of the insertion hole 302 is the same as the extension direction of the guide slide 200. When the mounting base 500 moves along the extension direction of the guide slide 200 via the rolling support structure 600 until the tapered tip 401 contacts the end face of the insertion hole 302, the tapered tip 401 can be easily and quickly inserted into the insertion hole 302. When the tapered tip 401 is inserted into the insertion hole 302, it constrains the movement of the rolling support structure 600 in the guide slide 200, ensuring that the mounting base 500 can only move along the guide slide 200, thus aligning the mounting base 500 with the limiting structure 300. As the tapered tip 401 is inserted deeper into the socket 302, the mounting base 500 moves closer to the limiting structure 300 until the front end 501 of the mounting base 500 abuts against the end face of the boss 303, indicating that the mounting base 500 is in place. At this time, the front end 501 of the mounting base 500 is aligned with the limiting zero point of the base 100, and the center of the mounting base 500, the beam processing module 900, and the center of the base 100 are aligned, thereby meeting the positioning accuracy requirements of the beam processing module 900.

[0056] Therefore, in the initial stage of inserting the mounting base 500 into the base 100, the movement of the rolling support structure 600 at the bottom of the mounting base 500 in the guide slide 200 is unrestricted, making the initial stage and insertion more convenient. In the later stage of inserting the mounting base 500 into the base 100, due to the guiding effect of the tapered tip 401, once the tapered tip 401 is inserted into the insertion hole 302, the movement of the mounting base 500 can be constrained to the extension direction of the guide slide 200, so that the insertion operation of the mounting base 500 into the base 100 can be blind, without having to pay attention to the alignment of the mounting base 500 and the base 100. Therefore, this insertion and removal method of the mounting base 500 is particularly suitable for application in structures where the space of the base 100 is limited.

[0057] The insertion hole 302 can penetrate the boss 303. Therefore, after the tapered tip 401 is inserted into the insertion hole 302, until the front end 501 of the mounting base 500 abuts against the end face of the boss 303, it indicates that the mounting base 500 is properly inserted (e.g., Figure 2 As shown), at this time the mounting base 500 cannot move further; or the insertion hole 302 can be a blind hole on the boss 303. After the tapered tip 401 abuts against the bottom end of the insertion hole 302, it indicates that the mounting base 500 is inserted into place, and at this time the mounting base 500 cannot move further.

[0058] Understandably, in order to correspond to the two guide slides 200, there can be two bosses 303 and two guide parts 400, and the bosses 303 and the guide parts 400 can be respectively set on one side of the corresponding guide slide 200.

[0059] Please continue to refer to this. Figure 3 and Figure 5 The base 100 also includes an electrical connection part 301, which is connected to or integrally formed with the limiting structure 300. For example... Figure 3 As shown, the electrical connection part 301 is located between the two bosses 303 of the limiting structure 300. An electrical connector 901 is also provided at the front end of the mounting base 500, as shown... Figure 3 As shown, the electrical connector 901 is located between the two guide portions 400. The electrical connector 901 can be integrated with the mounting base 500 and electrically connected to the pins on the beam processing module 900. This integrated design ensures the relative positional accuracy between the two mating parts. When the guide portion 400 and the limiting structure 300 are mated, the electrical connector 901 and the electrical connection portion 301 are mated and connected.

[0060] Therefore, when the tapered tip 401 of the guide portion 400 is inserted into the socket 302, the mounting base 500 and the limiting structure 300 are aligned, that is, the electrical connector 901 and the electrical connection portion 301 are aligned with each other. When the tapered tip 401 is inserted into the socket 302 and the mounting base 500 cannot move further, the electrical connector 901 and the electrical connection portion 301 are inserted into each other and can achieve electrical connection.

[0061] Therefore, through the mechanical engagement between the tapered tip 401 of the guide portion 400 and the socket 302, the mechanical engagement and electrical connection between the electrical connector 901 and the electrical connection portion 301 can be realized simultaneously. Thus, after the mounting base 500 is inserted into the base 100, the center alignment of the beam processing module 900 on the mounting base 500 can be achieved, and the electrical connection of the beam processing module 900 can be realized. This allows for the direct and effective blind insertion and removal of the beam processing module 900, while ensuring the accuracy and speed of insertion and removal.

[0062] After the mounting base 500 is inserted into the base 100, the mounting base 500 needs to be locked in the base 100.

[0063] like Figure 3 , Figure 6 , Figure 7 and Figure 10As shown, in one embodiment of locking, the mounting base 500 is locked and unlocked from the base 100 by a locking structure 800 located on the outside of the base 100. After the mounting base 500 is inserted into the base 100, the locking structure 800 can lock the mounting base 500 in the base 100.

[0064] Specifically, such as Figure 5 As shown, the rear end of the mounting base 500 is equipped with a locking plate 503, as... Figure 10 As shown, since the locking plate 503 does not need to support the beam processing module 900, its thickness can be thinner than that of the mounting base 500. The locking plate 503 is provided with a locking positioning part 502, which can be constructed as a protrusion, a protrusion, or other structural form. On the one hand, it facilitates engagement and positioning with the locking structure 800, and on the other hand, it provides a gripping point when the mounting base 500 is pulled out of the base 100.

[0065] like Figure 3 As shown, the locking structure 800 includes a locking step 802 and a locking engagement part 803. When the locking structure 800 is locked, the locking plate 503 and the locking step 802 abut against each other. For example, the locking step 802 presses against the locking plate 503, thus restricting the degree of freedom of the mounting base 500 in its height direction. The rear side of the locking step 802 abuts against the end of the locking plate 503. Since the front end 501 of the mounting base 500 abuts against the boss 303, the degree of freedom of the mounting base 500 in its front-rear direction is restricted, thereby ensuring the precise balanced positioning of the mounting base 500.

[0066] Furthermore, when the locking plate 503 abuts against the locking step 802, the locking positioning part 502 and the locking engagement part 803 engage with each other. One of the locking positioning part 502 and the locking engagement part 803 is constructed as an insert block, while the other has an insertion hole. For example... Figure 3 As shown, the locking engagement part 803 is constructed as an insertion block above the locking step 802. An insertion hole is provided at a corresponding position on the locking positioning part 502. When the locking plate 503 and the locking step 802 abut against each other, the insertion block is inserted into the insertion hole, thus restricting the degree of freedom of the mounting base 500 in its left and right directions.

[0067] The locking structure 800 also includes a locking element 801. In some locking methods, the locking element 801 can be locked by means of threaded locking, snap locking, or compression locking.

[0068] Optionally, the locking element 801 is locked using a threaded locking method. Specifically, as shown below... Figure 4As shown, a locking hole 104 is provided below the inlet / outlet port 101 of the base 100. The locking member 801 is detachably connected to the locking hole 104, for example, by means of a threaded connection, thereby locking the mounting base 500 in the base 100 or unlocking the mounting base 500 from the base 100. Figure 2 As shown, after the locking member 801 is screwed into the locking hole 104, the locking structure 800 can be fixed on the base 100. The locking structure 800 and the limiting structure 300 together limit the degrees of freedom of the mounting base 500 in three directions in the base 100, that is, the mounting base 500 is locked in the base 100.

[0069] Therefore, it can be seen that when the locking structure 800 is installed on the base 100, the mounting base 500 and the base 100 can be locked, thereby reducing the use of unnecessary fasteners, reducing the number of parts, and simplifying the structure.

[0070] When unlocking the mounting base 500 from the base 100, the locking member 801 is unscrewed out of the locking hole 104, which separates the locking structure 800 from the base 100, thereby releasing the lock between the mounting base 500 and the base 100.

[0071] Optionally, the locking element 801 is locked by threaded extrusion. Specifically, the locking element 801 can also engage with a corresponding part on the base 100 by helical extrusion or bevel extrusion to lock the mounting base 500 in the base 100.

[0072] Optionally, the locking member 801 is locked using a snap-locking method. Specifically, the locking member 801 is provided with a snap that can be elastically deformed. When the locking structure 800 is installed on the base 100, the snap is allowed to elastically deform, thereby mechanically engaging with the slot opened on the base 100 to achieve quick locking and fixation.

[0073] The base 100 has a slot with an elastic element. When the buckle deforms elastically and locks itself with the slot, the mounting base 500 abuts against the elastic element, compressing it. When it is necessary to release the lock between the mounting base 500 and the base 100, the mechanical engagement between the buckle and the slot is disengaged by pressing or rotating the buckle. As the elastic element loses the constraint of the mounting base 500, it can extend and automatically eject the mounting base 500 from the base 100, thereby releasing the lock between the mounting base 500 and the base 100. This unlocking method does not require pulling the mounting base 500; instead, the mounting base 500 can be automatically ejected from the base 100 while unlocking, making disassembly simpler and faster.

[0074] Optionally, when the fixed space is limited, the locking member 801 can also be locked by compression locking. Specifically, the locking member 801 is constructed as a wedge-shaped block or has a wedge-shaped mating surface thereon, and a corresponding wedge-shaped contact surface is constructed at a corresponding position on the base 100. When the mounting base 500 is locked to the base 100, the wedge-shaped structure of the locking member 801 and the wedge-shaped contact surface on the base 100 are mutually compressed and engaged, thereby achieving the locking of the mounting base 500 and the base 100.

[0075] Although the present invention has been described with reference to preferred embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the invention. In particular, the technical features mentioned in the various embodiments can be combined in any manner as long as there is no structural conflict. The present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A quick-unloading device with guiding and positioning, characterized in that, include: A base (100) for connecting collimators (110) and multi-leaf gratings (120) located on both sides thereon; A guide slide (200) is disposed in the receiving cavity (103) of the base (100) and extends between the inlet / outlet (101) of the base (100) and the maintenance window (102) of the base (100); and A mounting base (500) is provided, with a beam processing module (900) and a rolling support structure (600) connected to its upper and lower sides, respectively. The rolling support structure (600) is freely movable in the guide slide (200) to guide the mounting base (500) into the base (100) so that the beam processing module (900) is aligned with the center of the collimator (110) and the multi-leaf grating (120), or to guide the mounting base (500) out of the base (100).

2. The quick-release device with guide positioning according to claim 1, characterized in that, The rolling support structure (600) is constructed as a height-adjustable ball or omnidirectional roller, the diameter of which is smaller than the width of the guide slide (200), so that the ball or omnidirectional roller can move freely in the guide slide (200).

3. The quick-release device with guide positioning according to claim 1 or 2, characterized in that, The center of the base (100) is aligned with the center of the beam processing module (900), the collimator (110), and the multi-leaf grating (120). A limiting structure (300) is also provided at the limiting zero point of the base (100). The mounting base (500) is configured to engage with the limiting structure (300) when inserted into the base (100), so that the center of the beam processing module (900) on the mounting base (500) is aligned with the center of the base (100).

4. The quick-release device with guide positioning according to claim 3, characterized in that, The front end of the mounting base (500) is provided with a guide portion (400). One of the guide portion (400) and the limiting structure (300) is constructed as a self-positioning guide pin. The other of the guide portion (400) and the limiting structure (300) has an insertion hole. The self-positioning guide pin enables the rolling support structure (600) to adjust its position in the guide slide (200) so as to insert into the insertion hole, thereby guiding the guide portion (400) and the limiting structure (300) to engage with each other.

5. The quick-release device with guide positioning according to claim 4, characterized in that, The base (100) is also provided with an electrical connection part (301), which is connected to or integrally formed with the limiting structure (300). The front end of the mounting base (500) is also provided with an electrical connector (901). When the guide part (400) and the limiting structure (300) are inserted into each other, the electrical connector (901) and the electrical connection part (301) are inserted into each other and connected.

6. The quick-release device with guide positioning according to claim 1 or 2, characterized in that, An auxiliary support structure (700) is also connected to the mounting base (500). The auxiliary support structure (700) and the rolling support structure (600) are located on both sides of the center of the beam processing module (900). When the mounting base (500) is inserted into the base (100), the auxiliary support structure (700) can abut against the end of the guide slide (200) or enter the guide slide (200). When the mounting base (500) is pulled out from the base (100), the auxiliary support structure (700) can detach from the guide slide (200) and provide support outside the base (100).

7. The quick-release device with guide positioning according to claim 6, characterized in that, It also includes a locking structure (800) located on the outside of the base (100), which locks the mounting base (500) in the base (100) after the mounting base (500) is inserted into the base (100).

8. The quick-release device with guide positioning according to claim 7, characterized in that, The rear end of the mounting base (500) is provided with a locking plate (503), and the locking plate (503) is provided with a locking positioning part (502); The locking structure (800) includes a locking step (802) and a locking engagement part (803). When the locking structure (800) is locked, the locking plate (503) abuts against the locking step (802), and the locking positioning part (502) engages with the locking engagement part (803).

9. The quick-release device with guide positioning according to claim 8, characterized in that, The locking structure (800) further includes a locking member (801). A locking hole (104) is provided below the inlet / outlet port (101) of the base (100). The locking member (801) is detachably connected to the locking hole (104) to lock the mounting base (500) in the base (100) or to unlock the mounting base (500) from the base (100).

10. The quick-release device with guide positioning according to claim 9, characterized in that, The base (100) has one or more openings (105) in the circumferential direction, and the openings (105) are in communication with the receiving cavity (103).

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