Cross beam module and vehicle measuring equipment

Abstract

The invention provides a cross beam module and vehicle measuring equipment, and the cross beam module comprises a cross beam part which is provided with a chute; the guiding piece is arranged in the sliding groove, and the length of the guiding piece extends in the length direction of the sliding groove; and the sliding part comprises a sliding block assembled in the sliding groove in a sliding mode, the guiding piece is in rolling fit with the sliding block, and the sliding block is used for installing a component to be installed. The guide piece is arranged in the sliding groove, and the guide piece is in rolling fit with the sliding block, so that the sliding block can slide more stably under the guide action of the guide piece and slide more smoothly under the action of rolling fit, shaking can be reduced, and the smoothness and stability of the sliding block sliding on the cross beam part are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of detection equipment, in particular to a beam module and a vehicle measurement equipment. BACKGROUND

[0002] At present, the ADAS (Advanced Driver Assistant Systems) vehicle measurement equipment and the four-wheel positioning equipment on the market both include a beam, and a camera assembly or a calibration assembly is installed on the beam to realize four-wheel positioning of the vehicle or calibration of the ADAS.

[0003] In the related art, the camera assembly or the calibration assembly is slidably assembled on the beam through a sliding block. However, the beam is generally long, and the sliding block is prone to shaking during sliding, which leads to poor sliding stability of the camera assembly or the calibration assembly on the beam. SUMMARY

[0004] The present application aims to solve the problem of poor sliding stability of the camera assembly or the calibration assembly on the beam in the related art.

[0005] To solve the above technical problems, the present application provides a beam module in the first aspect, comprising:

[0006] a beam part provided with a sliding groove;

[0007] a guide piece arranged in the sliding groove, the length of the guide piece extending along the length direction of the sliding groove; and

[0008] a sliding part comprising a sliding block and a rolling piece, the sliding block being slidably assembled in the sliding groove, the sliding block being used for mounting a to-be-mounted component; the rolling piece being rotatably assembled on the sliding block and being accommodated in the sliding groove, the rolling piece being provided in plurality, the plurality of rolling pieces being spaced or continuously distributed along the sliding direction of the sliding block, and the plurality of rolling pieces being in rolling cooperation with the guide piece.

[0009] Optionally, the rolling piece is provided with a ring-shaped accommodating groove, the central axis of the accommodating groove being coaxially arranged with the rotation shaft between the rolling piece and the sliding block, and the guide piece being accommodated in the accommodating groove and being in rolling cooperation with the rolling piece.

[0010] Optionally, the side of the guide piece close to the accommodating groove is provided with a guide structure, and the guide structure is matched with the accommodating groove.

[0011] Optionally, the beam part is provided with a first side wall and a second side wall oppositely distributed in the length direction of the sliding groove, and the first side wall and the second side wall are respectively provided with the guide piece.

[0012] Optionally, the first side wall and the second side wall are each provided with a mounting groove, and the guide member is assembled in the mounting groove.

[0013] The guide member is provided with a smooth transition structure on one side close to the mounting groove, and the length of the cross section of the guide member gradually increases first and then gradually decreases.

[0014] Optionally, the slider is provided with a clearance groove on one side close to the guide member, the guide member is accommodated in the clearance groove, and a gap is formed between the guide member and the inner wall of the clearance groove.

[0015] Optionally, the end of the slider is provided with a limiting part, the limiting part is slidingly assembled in the sliding groove, and the clearance groove is located on one side of the limiting part close to the guide member.

[0016] Optionally, the sliding part further comprises:

[0017] a fixing part provided on the slider; and

[0018] a connecting shaft rotationally connected to the fixing part, and the rolling member is sleeved and fixed on the outer side of the connecting shaft.

[0019] The number of the fixing part, the connecting shaft and the rolling member is one-to-one.

[0020] Optionally, the cross beam part comprises:

[0021] a cross beam body; and

[0022] a guide rail detachably connected to the cross beam body and provided with the sliding groove, and the guide member is arranged on the guide rail.

[0023] The second aspect of the present application provides a vehicle measuring device comprising a base, a stand arranged on the base, and a cross beam module as claimed in any one of the preceding claims arranged on the stand.

[0024] Compared with the related art, the cross beam module and the vehicle measuring device have the beneficial effect that by arranging the guide member in the sliding groove and rolling the guide member with the slider, the slider can slide more stably under the guidance of the guide member and more smoothly under the rolling cooperation, so that the shaking can be reduced and the smoothness and stability of the slider when sliding on the cross beam part can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to make the technical solutions in the embodiments of the present application or the related art clearer, the accompanying drawings needed in the embodiments or the related art description will be briefly introduced. Obviously, the accompanying drawings in the following description only show some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort on the basis of these drawings.

[0026] Figure 1 is a structural schematic diagram of a cross beam module provided by the embodiments of the present application;

[0027] Figure 2 is Figure 1 is an enlarged view of detail A in FIG. 1;

[0028] Figure 3 is Figure 1 is an enlarged view of detail B in FIG. 1;

[0029] Figure 4 is a structural schematic diagram of a sliding part provided by the embodiments of the present application;

[0030] Figure 5 is a structural schematic diagram of a sliding block provided by the embodiments of the present application;

[0031] Figure 6 is an assembly schematic diagram among a rolling member, a fixing part and a connecting shaft provided by the embodiments of the present application;

[0032] Figure 7 is an assembly schematic diagram among a cross beam body, a guide rail and a guide member provided by the embodiments of the present application;

[0033] Figure 8 is a sectional view of a partial structure provided by the embodiments of the present application.

[0034] In the accompanying drawings, the reference signs represent: 1, a cross beam part; 11, a cross beam body; 12, a guide rail; 121, a sliding groove; 122, a first side wall; 123, a second side wall; 124, a mounting groove; 2, a guide member; 3, a sliding part; 31, a sliding block; 311, an emptying groove; 312, a limiting part; 313, a mounting hole; 32, a rolling member; 321, a containing groove; 322, an abutting ring; 323, a receiving groove; 33, a fixing part; 34, a connecting shaft; 341, a limiting cap; 4, a connecting seat; 5, a folding structure; 51, a first folding seat; 52, a second folding seat; 53, a first rotating shaft; 54, a locking assembly. DETAILED DESCRIPTION

[0035] The embodiments of the present application are described below in detail with reference to the accompanying drawings, wherein the same or similar components are denoted by the same or similar reference numerals throughout the drawings. The embodiments described below are exemplary and are intended to explain the present application, and should not be understood as limiting the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0036] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", "radial", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0037] In addition, the terms "first", "second", "third", etc. are only for the purpose of description and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features referred to. Therefore, the features defined with "first", "second", etc. can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of", "several" is two or more, unless otherwise explicitly specified.

[0038] Embodiment:

[0039] The embodiment of the present application provides a vehicle measuring device, which comprises a base, a stand column arranged on the base, and a beam module arranged on the stand column. The beam module is provided with a to-be-installed component, wherein the to-be-installed component can be a camera assembly or a calibration assembly.

[0040] Please refer to Figures 1 to 8 The beam module comprises a beam part 1, a guide 2 and a sliding part 3. The beam part 1 is provided with a sliding groove 121. The guide 2 is arranged in the sliding groove 121, and the length of the guide 2 extends along the length direction of the sliding groove 121. The sliding part 3 comprises a sliding block 31 and a plurality of rolling elements 32. The sliding block 31 is slidingly assembled in the sliding groove 121, and the sliding block 31 is used for mounting the to-be-installed component. The rolling elements 32 are rotatably assembled on the sliding block 31 and are accommodated in the sliding groove 121. The plurality of rolling elements 32 are distributed in the sliding direction of the sliding block 31 in a spaced or continuous manner, and the plurality of rolling elements 32 are in rolling cooperation with the guide 2.

[0041] The guide 2 is arranged in the sliding groove 121, so that the sliding block 31 can slide more stably under the guidance of the guide 2; the rolling element 32 is arranged between the sliding block 31 and the guide 2, so that the sliding block 31 and the beam part 1 are in rolling cooperation, thereby making the sliding block 31 slide more smoothly on the beam part 1, reducing shaking, and improving the smoothness and stability of the sliding block 31 when sliding on the beam part 1.

[0042] It should be noted that the rotation axis between the rolling element 32 and the sliding block 31 intersects the sliding direction of the sliding block 31; a large number of rolling elements 32 can be arranged to improve the smoothness and stability of the sliding block 31 when sliding in the sliding groove 121. In some preferred embodiments, the rotation axis between the rolling element 32 and the sliding block 31 can be perpendicular to the sliding direction of the sliding block 31, so that the movement of the sliding block 31 is more stable.

[0043] Please refer to Figure 4 , Figure 5 and Figure 6 In some embodiments, the rolling element 32 is provided with a ring-shaped accommodating groove 321, the central axis of the accommodating groove 321 is coaxially arranged with the rotation axis between the rolling element 32 and the sliding block 31, and the guide 2 is accommodated in the accommodating groove 321 and in rolling cooperation with the rolling element 32. In this way, the rolling cooperation between the guide 2 and the sliding block 31 is realized through the rolling element 32, and the structure is simple.

[0044] In some embodiments, the guide 2 can be arranged on the bottom wall of the sliding groove 121.

[0045] Please refer to Figure 4 , Figure 6 and Figure 8 In some embodiments, the guide 2 is provided with a guide structure on the side close to the accommodating groove 321, and the guide structure is matched with the accommodating groove 321. The guide structure cooperates with the rolling element 32 to guide the sliding of the sliding block 31, thereby improving the smoothness of the sliding of the sliding block 31.

[0046] According to actual needs, the guide structure can be arc-shaped, V-shaped, U-shaped, etc., and the guide structure can be integrally arranged with the guide 2, that is, the guide structure is the part of the guide 2 that extends into the accommodating groove 321, for example, the guide 2 can be a cylindrical rod; or the guide structure and the guide 2 are separately arranged, and the guide structure can be a protrusion arranged on the guide 2.

[0047] In some embodiments, the rigidity of the guide 2 is greater than that of the beam part 1, and the guide 2 is made of a metal material. The guide 2 can form a reinforcing rib structure on the beam part 1, thereby improving the mounting strength and rigidity of the beam part 1, effectively avoiding the bending deformation of the beam part 1, and improving the calibration accuracy. Moreover, the guide 2 made of a metal material is wear-resistant and has a low cost.

[0048] According to actual needs, the metal material can be iron, chromium, manganese, etc., and the guide member can be a steel rod. The two ends of the guide member 2 are flush with the two ends of the beam part 1.

[0049] Please refer to Figure 2 and Figure 7 In some embodiments, the beam part 1 is provided with a first side wall 122 and a second side wall 123 distributed on the length direction of the sliding groove 121, and the guide member 2 is arranged on the first side wall 122 and the second side wall 123 respectively. In this way, the guide member 2 can provide lateral support for the sliding block 31, effectively preventing the sliding block 31 from shaking during sliding, and further improving the stability of the sliding block 31.

[0050] In some embodiments, the guide member 2 on the first side wall 122 and the second side wall 123 can be provided with a plurality of guide members 2, and the accommodating groove 321 on the rolling member 32 is provided with a plurality of accommodating grooves 321. The plurality of guide members 2 are correspondingly accommodated in the plurality of accommodating grooves 321. In this way, the rolling cooperation between the plurality of guide members 2 and the plurality of rolling members 32 is beneficial to improve the smoothness and stability of the sliding block 31.

[0051] Please refer to Figure 2 and Figure 4 A plurality of rolling groups are arranged and distributed on the sliding block 31, each rolling group is provided with a plurality of rolling members 32 distributed along the sliding direction of the sliding block 31, at least one of the plurality of rolling groups is only in contact with the guide member 2 on the first side wall 122, and at least one of the plurality of rolling groups is only in contact with the guide member 2 on the second side wall 123. In this way, the sliding block 31 can maintain balance during sliding, thereby improving the stability of the sliding block 31 during sliding. Moreover, the two rolling groups are in contact with the guide member 2 on the first side wall 122 and the guide member 2 on the second side wall 123 respectively, which can provide lateral support for the sliding block 31 on both sides of the beam part 1, and is beneficial to improve the stability of the sliding block 31 during sliding.

[0052] Please refer to Figure 2 and Figure 4 In some embodiments, the beam module is provided with two rolling groups distributed on the opposite sides of the sliding block 31 respectively, one of the two rolling groups is only in contact with the first side wall 122, and the other is only in contact with the second side wall 123. In this way, lateral support can be provided for the sliding block 31 on both sides of the beam part 1, thereby improving the stability of the sliding block 31 during sliding.

[0053] Please refer to Figure 4In some embodiments, the rolling members 32 in the two groups of rolling groups are arranged in staggered or opposite manner. In this way, the rolling members 32 can be arranged on the sliding block 31 according to actual needs; when the space of the sliding groove 121 is small, the rolling members 32 in the two groups of rolling groups are arranged in staggered manner, that is, the rolling members 32 in the two groups of rolling groups are arranged in one row (in the direction of the first side wall 122) and are arranged in staggered manner; when more rolling members 32 are needed, the rolling members 32 in the two groups of rolling groups are arranged in opposite manner, that is, the rolling members 32 in the two groups of rolling groups are arranged in one row (in the direction of the first side wall 122), and the two rolling members 32 in different groups are arranged in opposite and in one column.

[0054] In some embodiments, the number of rolling members 32 in the two groups of rolling members 32 can be the same or different, for example, one of the two groups of rolling members 32 is provided with three rolling members 32, and the other is provided with two rolling members 32.

[0055] Please refer to Figure 4 In a specific example, the sliding block 31 is provided with a group of rolling groups on each of the opposite sides, and the rolling members 32 in the two groups of rolling groups are arranged in staggered manner, wherein one of the two groups of rolling groups is provided with two rolling members 32, and the other is provided with three rolling members 32.

[0056] It should be noted that the number of rolling groups is arranged according to actual needs, and the number of rolling members 32 is arranged according to actual needs.

[0057] In some embodiments, one rolling member 32 can be arranged to roll with the guide 2 on the first side wall 122 and the guide 2 on the second side wall 123, or one rolling member 32 can be arranged to roll with only the guide 2 on the first side wall 122 or the guide 2 on the second side wall 123.

[0058] In some embodiments, the rolling groups are provided with three groups, one of which is in contact with the first side wall 122, one of which is in contact with the second side wall 123, and one of which is in contact with the first side wall 122 and the second side wall 123 at the same time.

[0059] Please refer to Figure 4 and Figure 6 In some embodiments, the rolling member 32 is provided with two abutting rings 322, and the two abutting rings 322 are arranged in a spaced receiving groove 321, and the two abutting rings 322 are coaxially arranged with the rotating shaft between the rolling member 32 and the sliding block 31. The abutting ring 322 and the beam part 1 are in rolling contact, so that the beam part 1 can laterally support the rolling of the rolling member 32, thereby improving the stability of the rolling of the rolling member 32.

[0060] It should be noted that when the vehicle measuring device is working, the first side wall 122 is on the top and the second side wall 123 is on the bottom, and when the sliding block 31 slides, the outer side wall surface of the two abutting rings 322 rolls and abuts against the second side wall 123.

[0061] Please refer to Figure 7 and Figure 8 In some embodiments, the guide 2 is detachably connected with the beam part 1, and the first side wall 122 and the second side wall 123 are each provided with a surrounding accommodation structure which can be an arc structure with a bending angle greater than 180°, and the guide 2 is accommodated in the surrounding accommodation structure, so as to realize the detachable connection between the guide 2 and the beam part 1.

[0062] Please refer to Figure 7 and Figure 8 In some embodiments, the first side wall 122 and the second side wall 123 are each provided with a mounting groove 124, and the guide 2 is assembled in the mounting groove 124; a side of the guide 2 close to the mounting groove 124 is provided with a smooth transition structure, and the length of the cross section of the guide 2 gradually increases first and then gradually decreases, so as to facilitate the installation of the guide 2 in the mounting groove 124. Wherein, the surrounding accommodation structure can be the mounting groove 124, and the smooth transition structure can be an arc surface structure on the guide 2.

[0063] Please refer to Figure 2 , Figure 4 and Figure 5 In some embodiments, a side of the sliding block 31 close to the guide 2 is provided with an emptying groove 311, the guide 2 is accommodated in the emptying groove 311, and there is a gap between the guide 2 and the inner wall of the emptying groove 311. In this way, the emptying groove 311 can make the guide 2 not directly contact with the sliding block 31 when the guide 2 contacts with the rolling member 32, that is, the guide 2 only contacts with the sliding block 31 through the rolling member 32, and the friction is small, which is beneficial to improve the smoothness of the sliding of the sliding block 31 on the beam part 1.

[0064] Please refer to Figure 4 and Figure 5 In some embodiments, an end of the sliding block 31 is provided with a limiting part 312, the limiting part 312 is slidingly assembled in the sliding groove 121, and the emptying groove 311 is located at a side of the limiting part 312 close to the guide 2. In this way, the limiting part 312 and the first side wall 122 and the second side wall 123 cooperate with each other to limit the up-down movement of the sliding block 31; the guide 2 is accommodated in the emptying groove 311, so that the guide 2 can cooperate with the limiting part 312 to limit the front-back movement of the sliding block 31, thereby effectively avoiding the shaking of the sliding block 31 during the sliding process and improving the stability of the sliding of the sliding block 31.

[0065] Please refer to Figure 4 and Figure 5In some embodiments, the slider 31 is provided with a limiting portion 312 at each end thereof, and the vertical cross-sectional shape of each end of the slider 31 can be T-shaped, where the vertical cross-sectional direction is substantially parallel to the direction of the column, and a cavity is formed between the two limiting portions 312, and the rolling member 32 is arranged in the cavity between the two limiting portions 312.

[0066] Please refer to Figure 5 and Figure 7 In some embodiments, the avoidance slot 311 is adapted to the guide member 2, and the avoidance slot 311 is an arc-shaped slot. In this way, it is beneficial to prevent the guide member 2 from contacting the inner wall of the avoidance slot 311.

[0067] According to actual needs, the guide member 2 can be a cylinder.

[0068] Please refer to Figure 7 In some embodiments, the first side wall 122 and the second side wall 123 are each provided with a mounting slot 124, and the guide member 2 is assembled in the mounting slot 124. In this way, the installation difficulty of the guide member 2 can be reduced.

[0069] Please refer to Figure 4 , Figure 5 and Figure 6 In some embodiments, the sliding part 3 further comprises a fixing portion 33 and a connecting shaft 34, the fixing portion 33 is arranged on the slider 31, and the connecting shaft 34 is rotatably connected to the fixing portion 33, and the rolling member 32 is sleeved and fixed on the outer side of the connecting shaft 34; wherein the fixing portion 33, the connecting shaft 34 and the rolling member 32 are arranged in one-to-one correspondence. In this way, the connecting shaft 34 is mounted on the slider 31 through the fixing portion 33, the connecting shaft 34 is the rotation shaft between the rolling member 32 and the slider 31, the rolling member 32 can rotate relative to the slider 31, and the rolling cooperation between the rolling member 32 and the beam part 1 is realized.

[0070] Please refer to Figure 6 In some embodiments, the slider 31 is provided with a mounting hole 313, the fixing portion 33 is assembled in the mounting hole 313, and the fixing portion 33 is detachably connected to the slider 31. In this way, it is convenient to fix the fixing portion 33 on the slider 31; wherein the mounting hole 313 is adapted to the fixing portion 33, for example, the fixing portion 33 can be disc-shaped, and the mounting hole 313 can be a circular hole.

[0071] It should be noted that the fixing portion 33 abuts against the bottom wall of the mounting hole 313, which can prevent the connecting shaft 34 and the rolling member 32 from moving axially, thereby limiting the rolling member 32.

[0072] Please refer to Figure 8In some embodiments, the fixing part 33 and the rolling part 32 are respectively arranged at two ends of the connecting shaft 34, the bottom wall of the mounting hole 313 is provided with a threaded hole, and the fixing part 33 is locked into the threaded hole through a screw, so that the fixing part 33 is fixed on the sliding block through the screw. In addition, multiple threaded holes can be arranged at intervals on the bottom wall of the mounting hole 313, and multiple screws are inserted into the fixing part 33 and correspondingly screwed into the threaded holes, and the specific position and angle of the rolling part 32 can be adjusted by adjusting the screws.

[0073] Referring to Figure 1 In some embodiments, the sliding part 3 is provided with at least three, each sliding part 3 is arranged at intervals on the beam part 1, and the load of at least two sliding parts 3 is different, so as to install components with different weights. In this way, multiple sliding parts 3 with different loads can be used to install components with different weights, thereby improving the adaptability.

[0074] Referring to Figure 1 , Figure 2 and Figure 7 In some embodiments, the beam part 1 includes a beam body 11 and a guide rail 12, the guide rail 12 is detachably connected to the beam body 11 and is provided with a sliding groove 121, and the guide part 2 is arranged on the guide rail 12. In this way, the structure of the beam part 1 can be simplified, and the processing difficulty and assembly difficulty can be reduced. In addition, the guide rail 12 can guide the sliding of the sliding block 31.

[0075] Referring to Figure 2 In some embodiments, the beam module further includes a connecting seat 4 arranged on the side of the sliding block 31 away from the beam part 1, and the connecting seat 4 is used for installing the to-be-installed component. In this way, the to-be-installed component is conveniently installed on the sliding block 31 through the connecting seat 4. The connecting seat 4 and the sliding block 31 are detachably connected, for example, the connecting seat 4 and the sliding block 31 can be screw connected.

[0076] Further, the connecting seat 4 can be provided with a receiving structure and a calibration hole communicating with the inside of the receiving structure. The receiving structure can accommodate a calibration component such as a radar laser. The signal (such as a laser signal lamp) emitted by the calibration component is transmitted to the outside through the calibration hole, which is used for calibration or measurement of the to-be-calibrated component.

[0077] Further, the connecting seat 4 can be provided with a mounting structure such as a hanging rod, a threaded hole, and a mounting groove. The mounting structure is used for installing the to-be-installed component. Specifically, the to-be-installed component can be a target component such as a radar calibration plate. The target component can be provided with a through hole, and the signal emitted by the calibration component can be transmitted to the to-be-calibrated component through the calibration hole and the through hole, thereby realizing calibration or measurement of the to-be-calibrated component.

[0078] In some embodiments, the calibration support can further comprise a handrail structure arranged at one end of the sliding block 31, and a user can push the handrail structure to slide the sliding block 31. Specifically, the handrail structure comprises a first handrail which can slide relative to the sliding block 31 or rotate at one end, the first handrail is provided with a handrail portion at one end and a stop portion at the other end, and a spring is arranged between the first handrail and the sliding block 31, the stop portion is arranged to face the beam portion 1 (such as the first side wall 122, the second side wall 123 or the guide 2), and if a user pushes the first handrail, the stop portion will move away from the beam portion 1, and the sliding block 31 will be unlocked and slide under force; the user releases the first handrail, and the stop portion will move towards the beam portion 1 under the action of the spring, and the stop portion abuts against the sliding block 31 to lock the sliding block 31.

[0079] Further, the handrail structure can further comprise a first handrail fixedly arranged at the sliding block 31, and a second handrail arranged opposite to the first handrail, so that a user can hold the first handrail and the handrail portion at the same time during use, thereby supporting the user to exert force through the first handrail.

[0080] In some embodiments, the connecting shaft 34 is provided with a limiting cap 341 at one end away from the fixed portion 33, the rolling member 32 is provided with a receiving groove 323 at one end away from the fixed portion 33, and the limiting cap 341 is received in the receiving groove 323, wherein the limiting cap 341 abuts against the bottom wall of the receiving groove 323, and one end of the rolling member 32 away from the beam portion 1 abuts against the connecting seat 4, so as to limit the axial movement of the rolling member 32 and achieve the limiting effect.

[0081] It should be noted that, in order to reduce the friction between the rolling member 32 and other components, the contact area between the rolling member 32 and other components should be reduced as much as possible, wherein the side of the limiting cap 341 in contact with the bottom wall of the receiving groove 323 can be a conical surface, and the side of the rolling member 32 in contact with the connecting seat 4 can be partially hollowed out.

[0082] Please refer to Figure 1 and Figure 2 In some embodiments, the beam portion 1 is provided with multiple segments distributed along the length thereof, and adjacent two segments of the beam portion 1 are connected through the folding structure 5, so as to facilitate the storage of the beam portion 1.

[0083] Please refer to Figure 2In some embodiments, the folding structure 5 comprises a first folding seat 51, a first rotating shaft 53, a second folding seat 52 and a locking assembly 54, the first folding seat 51 and the second folding seat 52 are arranged on two adjacent beam sections 1 respectively, the first rotating shaft 53 is arranged on the first folding seat 51, the second folding seat 52 is rotatably connected to the first rotating shaft 53, the axial direction of the first rotating shaft 53 is perpendicular to the length direction of the beam section 1, and the locking assembly 54 is movably arranged on the second folding seat 52 and is buckled to the first folding seat 51, so as to lock the second folding seat 52 on the first folding seat 51.

[0084] In some embodiments, the locking assembly 54 comprises a buckle, an elastic member and a second rotating shaft, the buckle is rotatably connected to the second folding seat 52 through the second rotating shaft, and the buckle is buckled to the first folding seat 51, the elastic member is connected between the second folding seat 52 and the buckle respectively, so that the buckle can be reset after being released.

[0085] In some embodiments, the guide 2 is provided in multiple sections, and the multiple sections of the guide 2 are arranged continuously along the length direction of the beam section 1. In this way, the whole guide 2 can be avoided to be assembled on the beam section 1, and the assembly difficulty is reduced; moreover, the multiple sections of the guide 2 are assembled on the multiple sections of the beam section 1 one by one, so as to cooperate with the beam section 1 arranged in sections.

[0086] The above only describes the preferred embodiments of the present application and is not used to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A beam module, characterized in that, include: The crossbeam section is equipped with a sliding groove; A guide member is disposed within the slide groove, and the length of the guide member extends along the length direction of the slide groove. as well as, The sliding part includes a slider and a rolling element. The slider is slidably assembled in the groove and is used to install the component to be installed. The rolling element is rotatably assembled on the slider and housed in the groove. There are multiple rolling elements, which are distributed at intervals or continuously along the sliding direction of the slider. The multiple rolling elements roll in cooperation with the guide element.

2. Beam module according to claim 1, characterized in that The rolling element is provided with an annular receiving groove, the central axis of which is coaxial with the rotation axis between the rolling element and the slider, and the guide element is housed in the receiving groove and rolls with the rolling element.

3. Beam module according to claim 2, characterized in that The guide member has a guide structure on the side near the receiving groove, and the guide structure is adapted to the receiving groove.

4. Beam module according to claim 1, characterized in that The crossbeam portion has a first sidewall and a second sidewall that are relatively distributed along the length of the chute, and the guide member is respectively provided on the first sidewall and the second sidewall.

5. Beam module according to claim 4, characterized in that Both the first sidewall and the second sidewall are provided with mounting grooves, and the guide is assembled in the mounting grooves; The guide member has a smooth transition structure on the side near the mounting groove, and the length of the guide member's cross-section gradually increases and then gradually decreases.

6. Beam module according to claim 1, characterized in that The slider has a clearance groove on the side near the guide member, the guide member is housed in the clearance groove, and there is a gap between the guide member and the inner wall of the clearance groove.

7. Beam module according to claim 6, characterized in that The slider has a limiting part at its end, which is slidably fitted into the groove. The clearance groove is located on the side of the limiting part near the guide member.

8. Beam module according to claim 1, characterized in that The sliding portion further includes: A fixing part is provided on the slider; and, A connecting shaft is rotatably connected to the fixed part, and the rolling element is sleeved and fixed on the outside of the connecting shaft; The number of the fixing part, the connecting shaft and the rolling element are arranged in a one-to-one correspondence.

9. Beam module according to claim 1, characterized in that The crossbeam portion includes: The beam itself; and, The guide rail is detachably connected to the crossbeam body and is provided with the sliding groove, and the guide member is disposed on the guide rail.

10. A vehicle measuring device, characterized in that, It includes a base, a column disposed on the base, and a beam module disposed on the column as described in any one of claims 1-9.

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