Motor train unit door system mounting tool

By designing the installation tooling of the EMU door system, auxiliary installation personnel are assisted in positioning and handling of door system components, solving the problems of low installation efficiency, uneven quality and high labor intensity in the existing technology, and achieving efficient and excellent quality installation results.

CN119973901APending Publication Date: 2025-05-13GUANGDONG CSR RAIL TRAFFIC VEHICLE CO LTD +1
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202510177863.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2020-01-17
Publication Date
2025-05-13

AI Technical Summary

Technical Problem

During the installation of the EMU door system, the various components of the door system are large in size and require multiple people to cooperate with handling and positioning, resulting in uneven installation quality, high labor intensity, and high installation difficulty.

Method used

A EMU door system installation tool is designed, including door frame assembly tooling, side-mounted integrated component tooling, mechanism positioning tooling and door leaf tooling. These tooling assists installers in positioning and handling, and improves installation efficiency and quality.

Benefits of technology

Through assisted installation of work equipment, the positioning accuracy of door system components is improved, the labor intensity and installation difficulty of workers are reduced, the installation quality of the EMU door system is improved, and the normal use of EMU doors is ensured.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119973901A_ABST
    Figure CN119973901A_ABST
Patent Text Reader

Abstract

The invention discloses a motor train unit door system installation tool which comprises a door frame assembly tool used for installing a door frame, a side-standing integrated assembly tool used for positioning and installing a side-standing integrated assembly, and a mechanism positioning tool used for adjusting the position between a door opening and closing mechanism and the door frame. And the door leaf tool is used for moving a door leaf to a doorway of the bullet train body. When the mounting tool is used for mounting the motor train unit door system, mounting personnel can be assisted in mounting a door frame, a side vertical integrated assembly, a door opening and closing mechanism and a door leaf on a motor train body in sequence, and due to the fact that the tool is adopted for positioning and carrying all the assemblies of the door system, the positioning precision is improved, the labor intensity of workers and the mounting difficulty are reduced, and the mounting efficiency is improved. And the mounting quality of the motor train unit door system is improved.
Need to check novelty before this filing date? Find Prior Art

Description

[0001] This application is a divisional application with the application date of "2020.01.17", application number "202010051016.0", and application name "A kind of EMU door system installation tool". Technical Field

[0002] The present invention relates to the technical field of EMU installation auxiliary equipment, and in particular to an EMU door system installation tool. Background Art

[0003] The EMU has multiple passenger compartment door systems, which are used to open and close the passenger compartment doors, making it convenient for passengers to get on and off the EMU. The door system of the EMU includes door frames, side stand integrated components, door opening and closing mechanisms, door leaves, etc. The various components of the door system are large in size, and during installation, a group of multiple people are required to cooperate in carrying them, and another group of installers are required to measure and locate each component one by one. Therefore, high installation technology requirements are placed on the installers. Due to the different installation quality of different installers, the installation quality of the EMU is uneven, affecting the normal use of the EMU, and the manual handling of the various components of the door system is labor-intensive. Summary of the invention

[0004] The purpose of the present invention is to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides a EMU door system installation tool, which can assist installers in installing the door system, improve installation efficiency, and improve installation quality.

[0005] The present invention provides a tool for installing a door system of an EMU, comprising a door frame assembly tool, a side stand integrated component tool, a mechanism positioning tool and a door leaf tool; the door frame assembly tool is used to install the door frame, comprising a square mounting frame, an upper pressure rod frame and a lower pressure rod frame, the square mounting frame is provided with a positioning clamping component for clamping the door frame, the square mounting frame comprises a left vertical bar, an upper cross bar, a right vertical bar and a lower cross bar, both ends of the upper cross bar and both ends of the lower cross bar are provided with limit handles for abutting against the outer side surface of the EMU body, the front side of the upper cross bar and the front side of the lower cross bar are both provided with forearms passing through the door frame opening of the EMU body, and the two forearms located at the upper side are both provided with upper clamps for pressing the upper pressure rod frame backwards , the two forearms located below are both provided with lower clamps for pressing the lower pressure rod frame backwards; the side stand integrated component tooling is used to position and install the side stand integrated component, and the side stand integrated component tooling is installed on the right vertical rod; the mechanism positioning tooling is used to adjust the position between the door switch mechanism and the door frame, and the mechanism positioning tooling includes a grabbing frame, and the grabbing frame has a clamp for positioning the door switch mechanism, and the grabbing frame is configured to be able to move in the front and rear directions, left and right directions, and up and down directions, and can rotate along itself, and the bottom of the grabbing frame has a universal adjustment seat, and the grabbing frame can perform universal rotation around the universal adjustment seat; the door leaf tooling is used to move the door leaf to the door door of the motor vehicle body.

[0006] The EMU door system installation tool of the embodiment of the present invention has at least the following technical effects: By providing a door frame assembly tool for installing the door frame, a side stand integrated component tool for positioning and installing the side stand integrated component, a mechanism positioning tool for adjusting the position between the door switch mechanism and the door frame, and a door leaf tool for moving the door leaf to the door entrance of the EMU body, when installing the EMU door system, the installation tool can assist the installer in installing the door frame, the side stand integrated component, the door switch mechanism and the door leaf on the EMU body. Since the tool is used to position and carry the components of the door system, the positioning accuracy is improved, the labor intensity and installation difficulty of the workers are reduced, the installation quality of the EMU door system is improved, and the normal use of the EMU door is guaranteed.

[0007] According to some embodiments of the present invention, the mechanism positioning tooling also includes a left-right moving device, a front-back moving device, a rotating device and a lifting trolley, the universal adjustment seat is arranged on the left-right moving device, the left-right moving device is arranged on the front-back moving device, the front-back moving device is arranged on the rotating device, and the rotating device is arranged on the lifting trolley.

[0008] According to some embodiments of the present invention, the grabbing frame is provided with a containing groove, and the containing groove is used to contain the door opening and closing mechanism.

[0009] According to some embodiments of the present invention, the door leaf tooling has a door leaf hanger, the door leaf hanger has a plurality of hanging rods, the front side of the hanging rods is provided with a plurality of U-shaped clips for buckling the left and right edges of the door leaf, the bottom of the door leaf hanger is provided with a support block for supporting the bottom edge of the door leaf, and the door leaf hanger is provided with a plurality of top rods whose front ends are against the door leaf.

[0010] According to some embodiments of the present invention, the forearm is provided with a pin extending forward and backward, and the upper pressure rod frame and the lower pressure rod frame are both provided with two through holes, the two pins of the forearms located above respectively pass through the two through holes of the upper pressure rod frame and are used to limit the upper pressure rod frame, and the two pins of the forearms located below respectively pass through the two through holes of the lower pressure rod frame and are used to limit the movement direction of the lower pressure rod frame.

[0011] According to some embodiments of the present invention, the door frame assembly tool also includes a support leg for supporting the forearm, the support leg includes a connecting seat, a slider slidably connected to the connecting seat, a support wheel arranged at the bottom end of the slider, and a fourth handle screw threadedly connected to the connecting seat, the lower end of the fourth handle screw abuts against the upper side surface of the slider; the forearm is provided with a rotating hole, a rotating shaft inserted into the rotating hole is provided on one side of the connecting seat, a threaded hole is provided at one end of the rotating shaft away from the connecting seat, and an adjusting bolt threadedly connected to the threaded hole is provided on the side of the forearm away from the connecting seat, and an anti-slip gasket is provided between the adjusting bolt and the forearm.

[0012] According to some embodiments of the present invention, the positioning and clamping assembly includes a plurality of positioning blocks for supporting the door frame arranged on the front sides of the left vertical rod and the right vertical rod, a plurality of lower support seats for supporting the door frame arranged on the lower cross rod, and a plurality of upper support seats for supporting the door frame arranged on the upper cross rod, the lower support seat is provided with a positioning rod that passes through the door frame opening, the two upper forearms are both provided with a first clamping arm, the first clamping arm is threadedly connected to a first handle screw, the upper end of the first handle screw is provided with a first pressure head for abutting against the upper side of the door frame, the lower cross rod is provided with a second clamping arm, and the second clamping arm is provided with a first clamp for pressing the door frame against the lower support seat.

[0013] According to some embodiments of the present invention, the door frame assembly tool also includes a second handle screw corresponding one-to-one to the positioning block, the front end of the second handle screw is rotatably connected to a first clamping block for pressing the door frame toward the positioning block, the first clamping block is located on the inner side of the door frame, the positioning block is used to abut against the outer side of the door frame, and the second handle screw is used to adjust the distance between the first clamping block and the positioning block.

[0014] According to some embodiments of the present invention, at least two positioning seats are provided on the inner side of the right vertical rod, the positioning seats are provided with positioning pins, the side stand integrated component tooling is provided with a positioning plate that abuts against the positioning seats, and the positioning plate is provided with a positioning notch for inserting the positioning pins.

[0015] According to some embodiments of the present invention, the front side of the positioning plate abuts against the positioning seat, and the rear side of the positioning plate is provided with a second clamp for pressing the positioning seat toward the positioning plate.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein: Figure 1 It is a structural schematic diagram of a EMU door system installation tool according to an embodiment of the present invention; Figure 2 yes Figure 1 The schematic diagram of the structure after the door frame assembly tooling and the motor vehicle body are assembled as shown in ; Figure 3 yes Figure 1 A schematic cross-sectional view of the door frame assembly tooling and the motor vehicle body after assembly shown in FIG. Figure 4 yes Figure 2 A schematic structural diagram of another perspective after the door frame assembly tooling and the motor vehicle body are assembled as shown in FIG. Figure 5 yes Figure 1 The structural schematic diagram of the mechanism positioning tooling shown in; Figure 6 yes Figure 4 The enlarged schematic diagram of the center C; Figure 7 yes Figure 1 The enlarged schematic diagram of point B in the middle; Figure 8 yes Figure 2 A schematic cross-sectional structure diagram of the support leg shown in ; Fig. 9 yes Figure 1 A magnified schematic diagram of center A.

[0018] Reference numerals: Door frame assembly tool 100, square mounting frame 110, left vertical rod 111, upper cross bar 112, right vertical rod 113, lower cross bar 114, positioning seat 1131, positioning pin 1132, third handle screw 1133, second clamping block 1134, second limit head 1135, upper pressure rod frame 120, lower pressure rod frame 130, positioning clamping assembly 140, positioning block 141, lower support seat 142, upper support seat 143, positioning rod 144, first clamping arm 145, first handle screw 146, first pressure head 147, second clamping arm 148, first clamp 149, limit handle 150, fixed seat 151, fifth handle screw 152, second pressure head 153, forearm 160, latch 161, upper clamp 170, lower clamp 180, support leg 190, connecting seat 191, slider 192, support wheel 193, fourth handle screw 194, rotating shaft 195, adjusting bolt 196, anti-slip pad 197, Side stand integrated assembly tooling 200, connecting arm 210, positioning plate 220, positioning notch 221, second clamp 230, clamp plate 240, Mechanism positioning tool 300, grab frame 310, left and right moving device 320, front and back moving device 330, rotating device 340, lifting trolley 350, universal adjustment seat 360, Door leaf fixture 400, door leaf hanger 410, hanger rod 411, U-shaped buckle 412, support block 420, top rod 430, lifting hole 440, The second handle screw 500, the first clamping block 510, the first limiting head 520, The vehicle body is 600. DETAILED DESCRIPTION

[0019] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0020] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., and orientations or positional relationships indicated are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0021] In the description of the present invention, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0022] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0023] Reference Figures 1 to 5 A door system installation tool for a train set includes a door frame assembly tool 100, a side stand integrated component tool 200, a mechanism positioning tool 300, and a door leaf tool 400, wherein The door frame assembly tool 100 has a square mounting frame 110, an upper pressure rod frame 120 and a lower pressure rod frame 130. The square mounting frame 110 is provided with a positioning clamping assembly 140 for clamping the door frame. The square mounting frame 110 includes a left vertical rod 111, an upper cross rod 112, a right vertical rod 113, and a lower cross rod 114. Both ends of the upper cross rod 112 and both ends of the lower cross rod 114 are provided with limit handles 150 for abutting against the outer side of the motor vehicle body 600. The front side of the upper cross rod 112 and the front side of the lower cross rod 114 are both provided with a front arm 160 that passes through the door frame opening. The front arm 160 is provided with a front The latch 161 extending backward, the upper pressure rod frame 120 and the lower pressure rod frame 130 are both provided with two through holes, the latches 161 of the two upper forearms 160 respectively pass through the two through holes of the upper pressure rod frame 120, the latches 161 of the two lower forearms 160 respectively pass through the two through holes of the lower pressure rod frame 130, the two upper forearms 160 are both provided with an upper clamp 170 for pressing the upper pressure rod frame 120 backward, the two lower forearms 160 are both provided with a lower clamp 180 for pressing the lower pressure rod frame 130 backward and a support leg 190 for supporting the forearms 160; The side stand integrated assembly tool 200 is installed on the right vertical rod 113 and has a connecting arm 210 extending forward. The front end of the connecting arm 210 is used to position and install the side stand integrated assembly. The mechanism positioning tool 300 comprises a grabbing frame 310, a left-right moving device 320, a front-back moving device 330, a rotating device 340, and a lifting trolley 350. The bottom of the grabbing frame 310 comprises a universal adjustment seat 360, which is arranged on the left-right moving device 320, the left-right moving device 320 is arranged on the front-back moving device 330, the front-back moving device 330 is arranged on the rotating device 340, and the rotating device 340 is arranged on the lifting trolley 350. The grabbing frame 310 is used to hold the door switch mechanism. The door leaf tooling 400 has a door leaf hanger 410, which has multiple hanging rods 411. The front side of the hanging rods 411 is provided with multiple U-shaped clips 412 for buckling the left and right edges of the door leaf. The bottom of the door leaf hanger 410 is provided with a support block 420 for supporting the bottom edge of the door leaf. The door leaf hanger 410 is provided with multiple top rods 430 whose front ends are against the door leaf.

[0024] The positioning and clamping assembly 140 of the door frame assembly tool 100 is used to clamp the door frame. The size of the square mounting frame 110 matches the size of the door frame. The left vertical rod 111, the upper cross bar 112, the right vertical rod 113, and the lower cross bar 114 are assembled to form the square mounting frame 110. The limit handle 150 is used to abut against the outer side of the motor vehicle body 600. The upper pressure rod frame 120 and the lower pressure rod frame 130 are pressed toward the rear under the action of the upper clamp 170 and the lower clamp 180. The upper pressure rod frame 120 and the lower pressure rod frame 130 are both used to press toward the rear from the inside of the motor vehicle body 600. Then, in conjunction with the limit handle 150, the square mounting frame 110 can be clamped at the door opening of the motor vehicle body 600. In addition, the positioning and clamping assembly 140 clamps the door frame to be installed. Then, the door frame assembly tool 100 can firmly assemble the door frame to the door opening of the motor vehicle body 600 to complete the positioning. The latch 161 is used to limit the movement direction of the upper pressure rod frame 120 and the lower pressure rod frame 130, so as to achieve the function of preliminarily positioning the upper pressure rod frame 120 and the lower pressure rod frame 130. In cooperation with the upper clamp 170 and the lower clamp 180, the upper pressure rod frame 120 and the lower pressure rod frame 130 can be stably pressed against the inner side of the motor vehicle body 600, making the clamping of the upper pressure rod frame 120 and the lower pressure rod frame 130 more stable. When in use, the door frame is first clamped on the positioning clamping component 140 for fixation, the door frame assembly tool 100 is lifted by the crane, and it is slowly moved close to the door opening of the motor vehicle body 600, and finally the outer side of the motor vehicle body 600 is supported by the limit handle 150, and the inner side of the motor vehicle body 600 is pressed by the upper pressure rod frame 120 and the lower pressure rod frame 130, so as to achieve the purpose of clamping the door frame assembly tool 100 at the door opening of the motor vehicle body 600, and then the gap between the door frame and the door opening of the motor vehicle body 600 can be directly glued with glue to complete the installation of the door frame, so that the positioning and transportation of the door frame are completed without the need for manual handling and positioning, thereby reducing the labor intensity of the workers, reducing the steps of manual measurement and positioning, greatly reducing the difficulty of door frame installation, reducing the installation technical requirements of the installation workers, making it easier for different installation workers to install the door frame, improving the door frame installation quality, and ensuring the normal use of the motor vehicle door. The side stand integrated component tooling 200 is used for the side stand integrated component. When in use, the side stand integrated component is first installed on the side stand integrated component tooling 200, and then the side force integrated component tooling is lifted by the crane and installed on the right vertical rod 113 to complete the positioning of the side force integrated component tooling. Finally, the side stand integrated component is installed on the door of the EMU body 600 to complete the installation of the side stand integrated component. The positioning and transportation of the side stand integrated component are completed without the need for manual handling and positioning, which reduces the labor intensity of the workers, reduces the steps of manual measurement and positioning, greatly reduces the installation difficulty of the side stand integrated component, reduces the installation technical requirements of the installation workers, makes it easier for different installation workers to install the side stand integrated components, improves the installation quality of the side stand integrated components, and ensures the normal use of the EMU doors.

[0025] The grabbing frame 310 of the mechanism positioning tool 300 is used to hold the door switch mechanism. The grabbing frame 310 is provided with a holding groove so that the door switch mechanism can be stably placed on the grabbing frame 310 and is not easy to fall. The left and right ends of the grabbing frame 310 are provided with quick clamps, which are commonly used quick clamps on the market and are prior art, so they are not described in detail. Similarly, the upper clamp 170 and the lower clamp 180, as well as the first clamp 149 and the second clamp 230 appearing below, are all commonly used quick clamps on the market, which play a role of quick clamping. Therefore, the grabbing frame 310 can stabilize the door switch mechanism well. The universal adjustment seat 360 is a common universal seat on the market, which can adjust the horizontal position of the grab frame 310. The left and right moving device 320 has left and right sliding plates for carrying the universal seat and a cylinder for driving the left and right sliding plates to move left and right. The front and rear moving device 330 has front and rear sliding plates for carrying the cylinder of the left and right moving device 320 and a cylinder for driving the front and rear sliding plates to move back and forth. The rotating device 340 has a rotating plate for carrying the cylinder of the front and rear moving device 330 and a servo motor for driving the rotating plate to rotate. The lifting trolley 350 has a lifting jack and a lifting plate. The rotating device 340 is arranged on the lifting plate, so that the grab frame 310 can move forward and backward, left and right, up and down, and can also rotate itself, as well as perform universal adjustment rotation around the universal adjustment seat 360, so as to facilitate the adjustment of the position between the door switch mechanism and the EMU door frame, thereby facilitating the positioning of the door switch mechanism. When in use, first remove the door frame assembly tool 100, then push the lifting trolley 350 to the inner side of the motor vehicle body 600, and the grab frame 310 is transported to the rear side of the door frame with the cooperation of the left and right moving device 320, the front and rear moving device 330, the rotating device 340, the lifting trolley 350, and the universal adjustment seat 360 to complete the positioning, so that the door switch mechanism can be directly positioned and installed on the motor vehicle body 600, then the positioning and transportation of the door switch mechanism is completed without the need for manual transportation and positioning, which reduces the labor intensity of the workers, reduces the steps of manual measurement and positioning, greatly reduces the installation difficulty of the door switch mechanism, reduces the installation technical requirements of the installation workers, makes it easier for different installation workers to install the door switch mechanism, improves the installation quality of the door switch mechanism, and ensures the normal use of the motor vehicle door.

[0026] The door leaf hanger 410 of the door leaf fixture 400 has two hangers 411 on both sides, and the hangers 411 have U-shaped buckles 412 for buckling the left and right sides of the door leaf, wherein the length of the U-shaped buckle 412 is greater than the thickness of the sealing strip of the door leaf edge, so as to prevent the U-shaped buckle 412 from damaging the sealing strip of the door leaf. The support block 420 is used to support the bottom edge of the door leaf, and the top rod 430 is threadedly connected to the door leaf hanger 410. When in use, the door leaf is buckled on the U-shaped buckle 412, the bottom of the door leaf is supported on the support block 420, and the top rod 430 is rotated to allow the end of the top rod 430 to support the door leaf to prevent the door leaf from shaking, falling off or scratching when moving. Then the door leaf tooling 400 is moved to the door of the EMU body 600 by using a crane, and the installation of the door leaf is started. The positioning and transportation of the door leaf are completed without the need for manual handling and positioning, which reduces the labor intensity of the workers and the steps of manual measurement and positioning, greatly reduces the difficulty of door leaf installation, reduces the installation technical requirements of the installers, makes it easier for different installers to install the door leaves, improves the quality of door leaf installation, and ensures the normal use of the EMU doors.

[0027] Reference Figures 1 to 5In some embodiments of the present invention, the positioning and clamping assembly 140 includes a plurality of positioning blocks 141 for supporting the door frame arranged on the front sides of the left vertical rod 111 and the right vertical rod 113, a plurality of lower support seats 142 for supporting the door frame arranged on the lower cross bar 114, and a plurality of upper support seats 143 for supporting the door frame arranged on the upper cross bar 112. The lower support seat 142 is provided with a positioning rod 144 that penetrates the door frame opening. The two upper forearms 160 are both provided with a first clamping arm 145, and the first clamping arm 145 is threadedly connected to the first handle screw 146. The upper end of the first handle screw 146 is provided with a first pressing head 147 for abutting against the upper side of the door frame. The lower cross bar 114 is provided with a second clamping arm 148, and the second clamping arm 148 is provided with a first clamp 149 for pressing the door frame against the lower support seat 142. The positioning block 141 is used to cooperate with the protruding edge of the door frame for preliminary positioning, and cooperate with the upper support seat 143 and the lower support seat 142, so that the door frame assembly tool 100 can better support the door frame when it is placed flat, which is convenient for adjusting the position and clamping of the door frame. The lower inner side of the door frame is against the positioning rod 144, and the upper part of the door frame is used to abut the pressure head of the first handle screw 146, so that the door frame can be fixed from the upper and lower sides of the door frame, that is, when the lower inner side of the door frame is against the positioning rod 144, the first handle screw 146 rotates, so that the first pressure head 147 moves upward, so that the first pressure head 147 presses the upper inner side of the door frame upward, so as to achieve the purpose of the upper and lower sides of the door frame being fixed by the inner support, and finally the first clamp 149 is used to press the door frame on the lower support seat 142, so as to complete the clamping and fixing of the door frame, which is convenient for fixing the door frame. Among them, there are two forearms 160 located at the bottom, and the corresponding lower support seat 142 and the first clamp 149 are both provided with two. Before the door frame is clamped and positioned, the positioning and clamping assembly 140 can also be used to detect the contour of the door frame. The detection process is to place the rear side of the square installation frame 110 horizontally on the flat ground, and then place the door frame on the upper support seat 143, the positioning block 144, and the lower support seat 142 for natural support and close fit. Then one of the first clamps 149 presses the door frame against the lower support seat 142, so that the first clamp 149 and the lower support seat 142 clamp the door frame. At this time, the distance between the door frame and the two lower support seats 142 can be detected. If the distance between the sealing surface of the door frame and the two lower support seats 142 is not greater than 1.5 mm, the contour of the door frame is qualified and the door frame can be assembled.

[0028] In some embodiments of the present invention, reference Figure 3, and further includes a second handle screw 500 corresponding to the positioning block 141 one by one, the front end of the second handle screw 500 is rotatably connected with a first clamping block 510 for pressing the door frame toward the positioning block 141, the front end of the second handle screw 500 is provided with a first limit head 520 for abutting against the first clamping block 510, and the threaded section of the second handle screw 500 is threadedly connected with the left vertical rod 111 or the right vertical rod 113. The first limit head 520 is used to limit the first clamping block 510 from coming off the second handle screw 500 to prevent the first clamping block 510 from falling off. The first clamping block 510 is located on the inner side of the door frame, and the positioning block 141 is used to abut against the outer side of the door frame. Then, by rotating the second handle screw 500, the distance between the first clamping block 510 and the positioning block 141 can be adjusted, and the first clamping block 510 can be made to cooperate with the positioning block 141 to clamp and fix the door frame by rotating the second handle screw 500, thereby achieving the purpose of fixing the door frame.

[0029] In some embodiments of the present invention, reference Figures 3 to 7 At least two positioning seats 1131 are provided on the inner side of the right vertical rod 113, and the positioning seats 1131 are provided with positioning pins 1132. The side stand integrated component tooling 200 is provided with a positioning plate 220 that abuts against the positioning seats 1131, and the positioning plate 220 is provided with a positioning notch 221 for the positioning pins 1132 to be inserted. The positioning seats 1131 correspond to the positioning plates 220, so that the positioning pins 1132 can be better inserted into the positioning notch 221 to achieve the purpose of rapid positioning, so that the side stand integrated component tooling 200 can be easily installed on the square installation frame 110, which is convenient for the installation of the side stand integrated component.

[0030] In some embodiments of the present invention, reference Figures 3 to 7 The front side of the positioning plate 220 abuts against the positioning seat 1131, and the rear side of the positioning plate 220 is provided with a second clamp 230 for pressing the positioning seat 1131 toward the positioning plate 220. The second clamp 230 can press the positioning seat 1131 toward the positioning plate 220, that is, the positioning seat 1131 is clamped in cooperation with the positioning plate 220, so that the connection between the positioning seat 1131 and the positioning plate 220 is more stable, and the positioning pin 1132 can be prevented from being separated from the positioning notch 221, thereby ensuring a stable connection.

[0031] In some embodiments of the present invention, reference Figures 3 to 7A clamping plate 240 is provided in the middle of the side stand integrated assembly tooling 200, a third handle screw 1133 is connected to the middle of the right vertical rod 113 by threading, a second clamping block 1134 for pressing the clamping plate 240 toward the right vertical rod 113 is rotatably connected to the left end of the third handle screw 1133, and a second stopper 1135 for abutting against the second clamping block 1134 is provided on the third handle screw 1133. The second stopper 1135 of the third handle screw 1133 can prevent the second clamping block 1134 from coming out, and the third handle screw 1133 can adjust the distance between the second clamping block 1134 and the right vertical rod 113 when rotating. When installing the side stand integrated assembly tooling 200, the clamping plate 240 is inserted between the right vertical rod 113 and the second clamping block 1134, and then the third handle screw 1133 is rotated to clamp the clamping plate 240, thereby completing the fixing of the side stand integrated assembly tooling 200.

[0032] In some embodiments of the present invention, reference Figure 8 The leg 190 includes a connection seat 191, a slider 192 slidably connected to the connection seat 191, a support wheel 193 disposed at the bottom end of the slider 192, and a fourth handle screw 194 threadedly connected to the connection seat 191, and the lower end of the fourth handle screw 194 abuts against the upper side of the slider 192. That is, the slider 192 on the support wheel 193 can slide up and down, and the lower end of the fourth handle screw 194 abuts against the slider 192, thereby adjusting the highest point that the slider 192 can reach, thereby adjusting the height of the forearm 160 when the support wheel 193 supports the ground, so as to achieve the purpose of adjusting the height of the door frame assembly tool 100 and the inclination of the door frame.

[0033] In some embodiments of the present invention, reference Figure 8 , the forearm 160 is provided with a rotation hole, a rotating shaft 195 inserted into the rotating hole is provided on one side of the connecting seat 191, a threaded hole is provided on one end of the rotating shaft 195 away from the connecting seat 191, and an adjusting bolt 196 threadedly connected to the threaded hole is provided on the side of the forearm 160 away from the connecting seat 191, and an anti-skid pad 197 is provided between the adjusting bolt 196 and the forearm 160. The adjusting bolt 196 is connected to the rotating shaft 195 through the threaded hole, that is, when the adjusting bolt 196 is tightened, the anti-skid pad 197 is clamped between the forearm 160 and the head of the adjusting bolt 196, and the rotating shaft 195 can be braked to achieve the purpose of fixing the angle of the leg 190. When the leg 190 is not needed to support the forearm 160, the leg 190 can be adjusted to be parallel to the forearm 160 for easy storage.

[0034] In some embodiments of the present invention, reference Fig. 9The limit handle 150 includes a fixing seat 151, a fifth handle screw 152 threadedly connected to the fixing seat 151, and a second pressure head 153 arranged at the front end of the fifth handle screw 152. The fixing seat 151 is fixed on the upper cross bar 112 or the lower cross bar 114. The fixing seat 151 is fixed on the square mounting frame 110. When the fifth handle screw 152 is rotated, the distance between the second pressure head 153 and the outer side of the motor vehicle body 600 can be adjusted to achieve the purpose of support. This arrangement can make the support of the limit handle 150 more convenient and the installation of the door frame assembly tool 100 more convenient.

[0035] In some embodiments of the present invention, reference Figure 1 The door leaf hanger 410 is provided with a lifting hole 440. The lifting hole 440 is arranged at the upper end of the door leaf hanger 410, so as to facilitate the lifting of the door leaf hanger 410 by the vehicle, and facilitate the installation of the door leaf to the doorway of the moving vehicle body 600.

[0036] Reference below Figures 1 to 9 , a specific embodiment is used to describe in detail the EMU door system installation tooling according to an embodiment of the present invention. It is worth noting that the following description is only an exemplary description and not a specific limitation of the invention.

[0037] The EMU door system installation tooling includes a door frame assembly tooling 100, a side stand integrated component tooling 200, a mechanism positioning tooling 300, and a door leaf tooling 400, wherein the door frame assembly tooling 100 has a square mounting frame 110, an upper pressure rod frame 120 and a lower pressure rod frame 130, the square mounting frame 110 is provided with a positioning clamping assembly 140 for clamping the door frame, the square mounting frame 110 includes a left vertical rod 111, an upper cross rod 112, a right vertical rod 113, and a lower cross rod 114, and both ends of the upper cross rod 112 and the lower cross rod 114 are provided with limit bars for abutting against the outer side of the EMU body 600. The upper and lower cross bars 112 and 114 are provided with a front arm 160 passing through the door frame opening, and the front arm 160 is provided with a latch 161 extending forward and backward. The upper pressure rod frame 120 and the lower pressure rod frame 130 are provided with two through holes. The latches 161 of the two upper forearms 160 pass through the two through holes of the upper pressure rod frame 120 respectively, and the latches 161 of the two lower forearms 160 pass through the two through holes of the lower pressure rod frame 130 respectively. The two upper forearms 160 are provided with an upper clamp 170 for pressing the upper pressure rod frame 120 backward. 160 are provided with a lower clamp 180 for pressing the lower pressure rod frame 130 backward and a leg 190 for supporting the forearm 160. The side stand integrated component tooling 200 is installed on the right vertical rod 113 and has a connecting arm 210 extending forward. The front end of the connecting arm 210 is used to position and install the side stand integrated component. The mechanism positioning tooling 300 has a grab frame 310, a left and right moving device 320, a front and rear moving device 330, a rotating device 340, and a lifting trolley 350. The bottom of the grab frame 310 has a universal adjustment seat 360, and the universal adjustment seat 360 is arranged on the left and right moving device 320. The moving device 320 is arranged on the front-back moving device 330, the front-back moving device 330 is arranged on the rotating device 340, the rotating device 340 is arranged on the lifting trolley 350, the grabbing frame 310 is used to hold the door switch mechanism, the door leaf tooling 400 has a door leaf hanger 410, the door leaf hanger 410 has a plurality of hanging rods 411, and the front side of the hanging rod 411 is provided with a plurality of U-shaped clips 412 for buckling the left and right edges of the door leaf, the bottom of the door leaf hanger 410 is provided with a support block 420 for supporting the bottom edge of the door leaf, and the door leaf hanger 410 is provided with a plurality of top rods 430 whose front ends are against the door leaf.The positioning and clamping assembly 140 includes a plurality of positioning blocks 141 for supporting the door frame arranged on the front sides of the left vertical rod 111 and the right vertical rod 113, a plurality of lower support seats 142 for supporting the door frame arranged on the lower cross bar 114, and a plurality of upper support seats 143 for supporting the door frame arranged on the upper cross bar 112. The lower support seat 142 is provided with a positioning rod 144 that penetrates through the door frame opening. The two upper forearms 160 are both provided with a first clamping arm 145, and the first clamping arm 145 is threadedly connected to a first handle screw 146. The upper end of the first handle screw 146 is provided with a first pressing head 147 for abutting against the upper side of the door frame. The lower cross bar 114 is provided with a second clamping arm 148, and the second clamping arm 148 is provided with a first clamp 149 for pressing the door frame toward the lower support seat 142. The front end of the second handle screw 500 is rotatably connected with a first clamping block 510 for pressing the door frame toward the positioning block 141, and the front end of the second handle screw 500 is provided with a first limit head 520 for abutting against the first clamping block 510, and the threaded section of the second handle screw 500 is threadedly connected with the left vertical rod 111 or the right vertical rod 113. At least two positioning seats 1131 are provided on the inner side of the right vertical rod 113, and the positioning seats 1131 are provided with positioning pins 1132. The side stand integrated assembly tooling 200 is provided with a positioning plate 220 abutting against the positioning seat 1131, and the positioning plate 220 is provided with a positioning notch 221 for inserting the positioning pin 1132. The front side of the positioning plate 220 abuts against the positioning seat 1131, and the rear side of the positioning plate 220 is provided with a second clamp 230 for pressing the positioning seat 1131 toward the positioning plate 220. A clamping plate 240 is provided in the middle of the side stand integrated assembly tool 200, a third handle screw 1133 is threadedly connected to the middle of the right vertical rod 113, a second clamping block 1134 for pressing the clamping plate 240 toward the right vertical rod 113 is rotatably connected to the left end of the third handle screw 1133, and a second limit head 1135 for abutting against the second clamping block 1134 is provided on the third handle screw 1133. The leg 190 includes a connecting seat 191, a slider 192 slidably connected to the connecting seat 191, a support wheel 193 provided at the bottom end of the slider 192, and a fourth handle screw 194 threadedly connected to the connecting seat 191, and the lower end of the fourth handle screw 194 abuts against the upper side of the slider 192. The front arm 160 is provided with a rotation hole, a rotating shaft 195 inserted into the rotation hole is provided on one side of the connecting seat 191, a threaded hole is provided on one end of the rotating shaft 195 away from the connecting seat 191, and an adjusting bolt 196 threadedly connected to the threaded hole is provided on the side of the front arm 160 away from the connecting seat 191, and an anti-slip pad 197 is provided between the adjusting bolt 196 and the front arm 160. The limit handle 150 includes a fixing seat 151, a fifth handle screw 152 threadedly connected to the fixing seat 151, and a second pressure head 153 provided at the front end of the fifth handle screw 152, and the fixing seat 151 is fixed on the upper cross bar 112 or the lower cross bar 114. The door leaf hanger 410 is provided with a lifting hole 440.When installing the door frame, first clamp the door frame on the positioning clamping component 140 to fix it, use the crane to lift the door frame assembly tool 100, let it slowly approach the door door of the motor vehicle body 600, and finally use the limit handle 150 to support the outer side of the motor vehicle body 600, and use the upper pressure rod frame 120 and the lower pressure rod frame 130 to press the inner side of the motor vehicle body 600 to achieve the purpose of clamping the door frame assembly tool 100 at the door of the motor vehicle body 600. Then, the gap between the door frame and the door of the motor vehicle body 600 can be directly glued to complete the installation of the door frame; when installing the side stand integrated component, first install the side stand integrated component on the side stand integrated component tool 200, then use the crane to lift the side stand integrated component tool 200, install it on the right vertical rod 113, complete the positioning of the side stand integrated component tool 200, and finally install the side stand integrated component on The installation of the side stand integrated component is completed on the door opening of the moving vehicle body 600; when installing the door switch mechanism, the door frame assembly tool 100 is first removed, and then the lifting trolley 350 is pushed to the inner side of the moving vehicle body 600, and the grab frame 310 is transported to the rear side of the door frame with the cooperation of the left and right moving device 320, the front and rear moving device 330, the rotating device 340, the lifting trolley 350, and the universal adjustment seat 360 to complete the positioning, so that the door switch mechanism can be directly positioned and installed on the moving vehicle body 600; when installing the door leaf, the door leaf is buckled on the U-shaped buckle 412, the bottom of the door leaf is supported on the support block 420, and the top rod 430 is rotated to allow the end of the top rod 430 to support the door leaf to prevent the door leaf from shaking, falling off or scratching when moving, and then the door leaf tool 400 is moved to the door opening of the moving vehicle body 600 by using the crane to start the installation of the door leaf. When installing the EMU door system, first use the door frame assembly tool 100 to position and install the door frame of the door system, then use the side stand integrated component tool 200 and the door frame assembly tool 100 to install the side stand integrated component of the door system, then use the mechanism positioning tool 300 to position and install the door switch mechanism of the door system, and finally use the door leaf tool 400 to position and lift the door leaf of the door system. The positioning and transportation of the EMU door system components can be completed without the need for manual handling and positioning, which reduces the labor intensity of workers and the steps of manual measurement and positioning, greatly reduces the difficulty of door system installation, reduces the installation technical requirements of installation workers, makes it easier for different installation workers to install the door system, improves the installation quality, and ensures the normal use of EMU doors.

[0038] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0039] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

[0040] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A tool for installing a door system of a train unit, characterized in that: Including door frame assembly tooling, side stand integrated component tooling, mechanism positioning tooling and door leaf tooling; The door frame assembly tool is used to install the door frame, including a square installation frame, an upper pressure rod frame and a lower pressure rod frame, the square installation frame is provided with a positioning clamping assembly for clamping the door frame, the square installation frame includes a left vertical rod, an upper cross rod, a right vertical rod and a lower cross rod, both ends of the upper cross rod and both ends of the lower cross rod are provided with limit handles for abutting against the outer side surface of the motor vehicle body, the front side of the upper cross rod and the front side of the lower cross rod are both provided with forearms passing through the door frame opening of the motor vehicle body, the two forearms located at the upper side are both provided with upper clamps for pressing the upper pressure rod frame backwards, and the two forearms located at the lower side are both provided with lower clamps for pressing the lower pressure rod frame backwards; The side stand integrated assembly tooling is used to position and install the side stand integrated assembly, and the side stand integrated assembly tooling is installed on the right vertical rod; The mechanism positioning tool is used to adjust the position between the door switch mechanism and the door frame, and the mechanism positioning tool includes a grab frame, the grab frame has a clamp for positioning the door switch mechanism, the grab frame is configured to be able to move in the front-to-back direction, the left-to-right direction, and the up-and-down direction, and can rotate along itself, and the bottom of the grab frame has a universal adjustment seat, and the grab frame can perform universal rotation around the universal adjustment seat; The door leaf tooling is used to move the door leaf to the doorway of the motor vehicle body.

2. The EMU door system installation tool according to claim 1, characterized in that: The mechanism positioning tooling also includes a left-right moving device, a front-back moving device, a rotating device and a lifting trolley, the universal adjustment seat is arranged on the left-right moving device, the left-right moving device is arranged on the front-back moving device, the front-back moving device is arranged on the rotating device, and the rotating device is arranged on the lifting trolley.

3. The EMU door system installation tool according to claim 1 or 2, characterized in that: The grabbing frame is provided with a containing groove, and the containing groove is used for containing the door switch mechanism.

4. The EMU door system installation tool according to claim 1, characterized in that: The door leaf tooling has a door leaf hanger, and the door leaf hanger has multiple hanging rods. The front side of the hanging rods is provided with multiple U-shaped clips for buckling the left and right edges of the door leaf. The bottom of the door leaf hanger is provided with a support block for supporting the bottom edge of the door leaf. The door leaf hanger is provided with multiple top rods whose front ends are against the door leaf.

5. The EMU door system installation tool according to claim 1, characterized in that: The forearm is provided with a pin extending forward and backward, and the upper pressure rod frame and the lower pressure rod frame are both provided with two through holes. The two pins of the forearms located at the upper side respectively pass through the two through holes of the upper pressure rod frame and are used to limit the upper pressure rod frame, and the two pins of the forearms located at the lower side respectively pass through the two through holes of the lower pressure rod frame and are used to limit the movement direction of the lower pressure rod frame.

6. The EMU door system installation tool according to claim 5, characterized in that: The door frame assembly tool also includes a support leg for supporting the forearm, the support leg includes a connecting seat, a slider slidably connected to the connecting seat, a support wheel arranged at the bottom end of the slider, and a fourth handle screw threadedly connected to the connecting seat, the lower end of the fourth handle screw abuts against the upper side surface of the slider; the forearm is provided with a rotating hole, a rotating shaft inserted into the rotating hole is provided on one side of the connecting seat, a threaded hole is provided at one end of the rotating shaft away from the connecting seat, and an adjusting bolt threadedly connected to the threaded hole is provided on the side of the forearm away from the connecting seat, and an anti-slip gasket is provided between the adjusting bolt and the forearm.

7. The EMU door system installation tool according to claim 1, 5 or 6, characterized in that: The positioning and clamping assembly includes a plurality of positioning blocks for supporting the door frame arranged on the front sides of the left vertical rod and the right vertical rod, a plurality of lower support seats for supporting the door frame arranged on the lower cross rod, and a plurality of upper support seats for supporting the door frame arranged on the upper cross rod, the lower support seat is provided with a positioning rod passing through the door frame opening, the two upper forearms are both provided with a first clamping arm, the first clamping arm is threadedly connected to a first handle screw, the upper end of the first handle screw is provided with a first pressure head for abutting against the upper side of the door frame, the lower cross rod is provided with a second clamping arm, and the second clamping arm is provided with a first clamp for pressing the door frame against the lower support seat.

8. The EMU door system installation tool according to claim 7, characterized in that: The door frame assembly tool also includes a second handle screw corresponding to the positioning block one by one, and the front end of the second handle screw is rotatably connected to a first clamping block for pressing the door frame toward the positioning block, the first clamping block is located on the inner side of the door frame, and the positioning block is used to abut against the outer side of the door frame, and the second handle screw is used to adjust the distance between the first clamping block and the positioning block.

9. The EMU door system installation tool according to claim 1, characterized in that: At least two positioning seats are arranged on the inner side of the right vertical rod, and the positioning seats are provided with positioning pins. The side stand integrated component tooling is provided with a positioning plate that abuts against the positioning seats, and the positioning plate is provided with a positioning notch for inserting the positioning pins.

10. The EMU door system installation tool according to claim 9, characterized in that: The front side of the positioning plate abuts against the positioning seat, and the rear side of the positioning plate is provided with a second clamp for pressing the positioning seat toward the positioning plate.