Railway fastener bolt hole pull-out test mechanism

Abstract

The utility model relates to a railway fastener bolt hole pull-out test mechanism, which belongs to the technical field of pull-out tests, and comprises a fixed seat and a bearing plate, the top of the fixed seat is provided with a test adjusting mechanism, the top of the bearing plate is provided with a protection auxiliary assembly, and the test adjusting mechanism comprises a bearing plate arranged at the top of the fixed seat. A mounting block is detachably connected to the interior of the bearing plate, a limiting assembly used for limiting movement of the mounting block is arranged in the bearing plate, and a fixing ring is mounted at the top of the bearing plate. According to the pull-out test mechanism for the railway fastener bolt hole, the threaded groove is formed in the detachably-arranged installation block to achieve installation of the fastener bolt body, the pull-out test operation is convenient to implement, and when a thread in the threaded groove is damaged and consequently the pull-out test cannot be carried out, the pull-out test can be carried out conveniently. And the device can recover the anti-pulling test capability by replacing the mounting block, so that the maintenance cost is effectively reduced, and the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of pull -out test, concretely is a railway fastener bolt hole pull -out test mechanism. BACKGROUND

[0002] Railway fastener mainly relies on the bolt fixed on the rail bearing platform, therefore the pull -out ability of bolt hole has important role to maintain the geometry of track, also is the important basis of evaluating the structure strength of rail bearing platform, when carrying out pull -out test to railway fastener bolt hole, need to adopt pull -out test to detect its working condition.

[0003] Please refer to the railway fastener bolt hole pull -out test device of announcement number CN216747156U, in the patent, it is proposed that "the existing pull -out test device not only is difficult to maintain the device whole relatively stable, also does not set up any protective structure, if the strength of sample is not up to standard, the pull plate and fastener bolt can be damaged and splash in the process of carrying out pull -out test, thereby the safety of test personnel causes certain security risk, and the practicality is not good", the patent can cover the structure such as fastener bolt and pull plate in the inside through the transparent guard board, sliding structure and limiting structure, plays good protective effect in the test process, prevents the splash damage that can occur in the test process, improves the safety of entire test device.

[0004] However, the above patent can realize protection in the test process, but its structure is fixed, the thread arranged in the rail bearing platform is inevitably damaged under the strong pulling force in the test process, if the thread is damaged, the detection effect of subsequent fastener bolt is easily affected, the use effect of the device is reduced, the rail bearing platform for connecting the fastener bolt is inconvenient to replace, the entire device needs to be replaced when the thread is damaged, which greatly increases the use cost, in view of this, the present application provides a railway fastener bolt hole pull -out test mechanism. UTILITY MODEL CONTENTS

[0005] In view of the defects in the prior art, the utility model provides a railway fastener bolt hole pull -out test mechanism, which has the advantages of being able to replace damaged parts when the device is damaged during testing, thereby effectively reducing maintenance costs and improving the practicality and safety of the device, and solves the problems of the existing pull -out test device, which is difficult to maintain the device whole relatively stable, does not set up any protective structure, if the strength of sample is not up to standard, the pull plate and fastener bolt can be damaged and splash in the process of carrying out pull -out test, thereby the safety of test personnel causes certain security risk, and the practicality is not good.

[0006] To achieve the above object, the utility model provides the following technical scheme: a railway fastener bolt hole pull -out test mechanism, comprising a fixed seat and a bearing plate, the top of the fixed seat is provided with a test adjustment mechanism, and the top of the bearing plate is provided with a protective auxiliary assembly.

[0007] The test adjusting mechanism comprises a fixed seat, a bearing plate mounted on the top of the fixed seat, a mounting block detachably connected to the inside of the bearing plate, a limiting assembly arranged in the bearing plate for limiting the movement of the mounting block, a fixed ring mounted on the top of the bearing plate, and a pressure sensor fixedly connected to the bottom of the fixed ring.

[0008] The side opposite to the bearing plate of the pressure sensor is movably connected with a movable resisting plate, the inside of the movable resisting plate is movably connected with a fastener bolt body threadedly connected with the mounting block, and the top of the bearing plate is provided with a jacking adjusting assembly for driving the vertical movement of the movable resisting plate.

[0009] Further, the mounting block is a boss structure with a convex shape in cross section, and the inside of the bearing plate is provided with a placing groove corresponding to the position of the mounting block.

[0010] Further, the limiting assembly comprises a pull rod slidingly connected to the inside of the bearing plate, a positioning block fixedly connected to the side close to the mounting block of the pull rod, a positioning clamping groove corresponding to the position of the positioning block arranged on the outside of the mounting block, and an extrusion spring fixedly connected with the positioning block and the bearing plate and sleeved on the outside of the pull rod.

[0011] Further, the side opposite to the bearing plate of the fixed ring is fixedly connected with a connecting block, and the side opposite to the bearing plate of the fixed seat is fixedly connected with a supporting column.

[0012] Further, the top of the mounting block is provided with a threaded groove matched with the fastener bolt body, and the inside of the movable resisting plate is provided with a perforation slidingly matched with the fastener bolt body.

[0013] Further, the jacking adjusting assembly comprises a jack fixedly connected to the top of the fixed seat, a jacking plate fixedly connected to the output end of the jack, and a connecting rod fixedly connected to the side opposite to the movable resisting plate of the jacking plate.

[0014] Further, the protection auxiliary assembly comprises a protection frame fixedly connected to the bottom of the jacking plate, an observation hole arranged on the front surface of the protection frame, a turnover baffle rotatably connected to the inside of the observation hole of the protection frame, and a resistance structure arranged on the front surface of the protection frame for limiting the rotation of the turnover baffle.

[0015] Further, the resistance structure comprises a rotating block rotatably connected to the front surface of the protection frame, and a resistance block fixedly connected to the front surface of the protection frame and located below the rotating block.

[0016] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0017] The railway fastener bolt hole anti-pulling test mechanism, through the threaded groove formed in the detachable installation block, realizes the installation of the fastener bolt body, so that the anti-pulling test operation is convenient to implement, and when the threaded groove is damaged and the anti-pulling test cannot be performed, the installation block can be replaced to restore the anti-pulling test capability of the device, so as to effectively reduce the maintenance cost and improve the practicability of the device.

[0018] In addition, the protective frame arranged when the anti-pulling test is performed can cooperate with the turnover baffle to shield the test mechanism, so as to play a good protection role, prevent splashing damage that may occur during the test process, and improve the safety of the entire test device. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a sectional view of the utility model structure;

[0020] Figure 2 It is a sectional view of the utility model structure; Figure 1 It is a structure schematic view of A in the utility model;

[0021] Figure 3 It is a structure schematic view of the protective frame of the utility model.

[0022] In the figure: 1, fixed seat; 2, support column; 3, bearing plate; 4, installation block; 5, fixed ring; 6, connecting block; 7, pressure sensor; 8, movable stop plate; 9, fastener bolt body; 10, jack; 11, jacking plate; 12, connecting rod; 13, protective frame; 14, turnover baffle; 15, stop block; 16, rotating block; 17, pull rod; 18, positioning block; 19, extrusion spring. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figures 1 to 3 A railway fastener bolt hole anti-pulling test mechanism in the embodiment comprises a fixed seat 1 and a bearing plate 3, the top of the fixed seat 1 is provided with a test adjusting mechanism, and the top of the bearing plate 3 is provided with a protective auxiliary assembly.

[0025] In the embodiment, the top of the bearing plate 3 is provided with a fixed ring 5, and the opposite side of the fixed ring 5 and the bearing plate 3 is fixedly connected with a connecting block 6, so that the installation stability of the fixed ring 5 is maintained by the connecting block 6. The bottom of the fixed ring 5 is fixedly connected with a pressure sensor 7, and the opposite side of the pressure sensor 7 and the bearing plate 3 is movably connected with a movable abutting plate 8, so that the detection of the force applied to the device is realized by the pressure sensor 7.

[0026] In the embodiment, the inside of the bearing plate 3 is provided with a limiting assembly for limiting the movement of the mounting block 4, and the limiting assembly comprises a pull rod 17 movably connected inside the bearing plate 3. The side of the pull rod 17 close to the mounting block 4 is fixedly connected with a positioning block 18, and the outside of the mounting block 4 is provided with a positioning clamping groove corresponding to the position of the positioning block 18. The outside of the pull rod 17 is sleeved with an extrusion spring 19 fixedly connected with the positioning block 18 and the bearing plate 3, so that the positioning block 18 is extended into the positioning clamping groove under the action of the extrusion spring 19, and the movement of the mounting block 4 is limited.

[0027] In the embodiment, the top of the bearing plate 3 is provided with a fixed ring 5, and the opposite side of the fixed ring 5 and the bearing plate 3 is fixedly connected with a connecting block 6, so that the installation stability of the fixed ring 5 is maintained by the connecting block 6. The bottom of the fixed ring 5 is fixedly connected with a pressure sensor 7, and the opposite side of the pressure sensor 7 and the bearing plate 3 is movably connected with a movable abutting plate 8, so that the detection of the force applied to the device is realized by the pressure sensor 7.

[0028] In the embodiment, the inside of the movable abutting plate 8 is movably connected with a fastener bolt body 9 threadedly connected with the mounting block 4. The top of the mounting block 4 is provided with a threaded groove matched with the fastener bolt body 9. The inside of the movable abutting plate 8 is provided with a perforation slidably matched with the fastener bolt body 9, so that the fastener bolt body 9 passes through the movable abutting plate 8 through the perforation, and the threaded groove is matched to realize the connection between the fastener bolt body 9 and the mounting block 4.

[0029] In the embodiment, the top of the bearing plate 3 is provided with a jacking adjusting assembly for driving the vertical movement of the movable abutting plate 8. The jacking adjusting assembly comprises a jack 10 fixedly connected to the top of the fixed seat 1. The output end of the jack 10 is fixedly connected with a jacking plate 11. The opposite side of the jacking plate 11 and the movable abutting plate 8 is fixedly connected with a connecting rod 12, so that the jacking plate 11 drives the movable abutting plate 8 to move upward by the connecting rod 12 when the jack 10 operates.

[0030] In the embodiment two, the protective auxiliary assembly comprises a protective frame 13 fixedly connected to the bottom of the jacking plate 11, and an observation opening is formed in the front of the protective frame 13, and a turnover baffle 14 is rotatably connected to the observation opening of the protective frame 13, and the turnover baffle 14 is made of transparent material, so that the turnover baffle 14 in the observation opening can be used to observe the test condition conveniently while ensuring good protection effect.

[0031] The front of the protective frame 13 is provided with a resisting structure for limiting the rotation of the turnover baffle 14, the resisting structure comprises a rotating block 16 rotatably connected to the front of the protective frame 13, and a resisting block 15 fixedly connected to the front of the protective frame 13 and located below the rotating block 16, so that when the rotating block 16 is located in front of the turnover baffle 14, the outward rotation of the turnover baffle 14 is limited, and the resisting block 15 can also limit the downward rotation of the rotating block 16.

[0032] The beneficial effects of the above-mentioned embodiments are as follows:

[0033] The railway fastener bolt hole anti-pulling test mechanism can realize the installation of the fastener bolt body 9 by forming a threaded groove in the detachably arranged mounting block 4, so that the anti-pulling test operation is convenient to implement, and when the threaded groove is damaged and the anti-pulling test cannot be performed, the mounting block 4 can be replaced to restore the anti-pulling test capability of the device, so as to effectively reduce the maintenance cost and improve the practicability of the device.

[0034] In addition, the protective frame 13 arranged during the anti-pulling test can cooperate with the turnover baffle 14 to shield the test mechanism, so as to play a good protection role and prevent splashing damage that may occur during the test process, thereby improving the safety of the entire test device.

[0035] The working principle of the above-mentioned embodiments is as follows:

[0036] When the railway fastener bolt hole anti-pulling test mechanism is used, first of all, the mounting block 4 needs to be placed at the bottom of the bearing plate 3, and the mounting block 4 needs to extend into the placement groove of the bearing plate 3, at this time, the positioning block 18 arranged can extend into the positioning clamping groove of the mounting block 4 under the action of the compression spring 19, so as to limit the movement of the mounting block 4.

[0037] After the installation of the mounting block 4 is completed, the turnover baffle 14 can be pulled open to install the fastener bolt body 9 to be tested, the fastener bolt body 9 is passed through the movable resisting plate 8, and the threaded groove in the mounting block 4 is used to connect the fastener bolt body 9 and the mounting block 4, after the installation of the fastener bolt body 9 is completed, the turnover baffle 14 can be closed and the rotating block 16 can be operated to rotate to limit the outward rotation of the turnover baffle 14, so that the protective frame 13 cooperates with the turnover baffle 14 to shield the test mechanism, preventing splashing damage that may occur during the test process.

[0038] Afterwards, the jack 10 can be operated to push the lifting plate 11 upwards, so as to pull the fastener bolt body 9 upwards by the lifting plate 11 and the movable resisting plate 8 through the connecting rod 12, thereby achieving the effect of conducting the pull-out test; in the process, if the threaded groove arranged in the mounting block 4 is damaged due to the test operation, the device can be restored to the pull-out test capability by replacing the mounting block 4, so as to effectively improve the practicability of the device.

[0039] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0040] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A railway fastener bolt hole pull-out test mechanism comprising a fixed base (1) and a load bearing plate (3), characterised in that: The top of the fixing base (1) is provided with a test adjusting mechanism, and the top of the bearing plate (3) is provided with a protection auxiliary assembly; The test adjusting mechanism comprises a bearing plate (3) mounted at the top of the fixing base (1), the inside of the bearing plate (3) is detachably connected with a mounting block (4), the inside of the bearing plate (3) is provided with a limiting assembly for limiting the movement of the mounting block (4), the top of the bearing plate (3) is provided with a fixing ring (5), and the bottom of the fixing ring (5) is fixedly connected with a pressure sensor (7). The side, opposite to the pressure sensor (7) and the bearing plate (3), of the pressure sensor (7) is movably connected with a movable resisting plate (8), the inside of the movable resisting plate (8) is movably connected with a fastener bolt body (9) which is threadedly connected with the mounting block (4), and the top of the bearing plate (3) is provided with a jacking adjusting assembly for driving the vertical movement of the movable resisting plate (8).

2. A railway fastener bolt hole pull test mechanism according to claim 1, characterised in that: The mounting block (4) is a boss structure with a convex shape in cross section, and the inside of the bearing plate (3) is provided with a placing groove corresponding to the position of the mounting block (4).

3. A railway fastener bolt hole pull test mechanism according to claim 1, wherein: The limiting assembly comprises a pull rod (17) which is slidably connected to the inside of the bearing plate (3), the side, close to the mounting block (4), of the pull rod (17) is fixedly connected with a positioning block (18), the outside of the mounting block (4) is provided with a positioning clamping groove corresponding to the position of the positioning block (18), and the outside of the pull rod (17) is sleeved with an extrusion spring (19) which is fixedly connected with the positioning block (18) and the bearing plate (3).

4. A railway fastener bolt hole pull test mechanism according to claim 1, wherein: The side, opposite to the bearing plate (3), of the fixing base (1) is fixedly connected with a supporting column (2), and the side, opposite to the bearing plate (3), of the fixing ring (5) is fixedly connected with a connecting block (6).

5. A railway fastener bolt hole pull test mechanism according to claim 1, wherein: The top of the mounting block (4) is provided with a threaded groove matched with the fastener bolt body (9), and the inside of the movable resisting plate (8) is provided with a perforation slidably matched with the fastener bolt body (9).

6. A railway fastener bolt hole pull test mechanism according to claim 1, wherein: The jacking adjusting assembly comprises a jack (10) fixedly connected to the top of the fixing base (1), the output end of the jack (10) is fixedly connected with a jacking plate (11), and the side, opposite to the movable resisting plate (8), of the jacking plate (11) is fixedly connected with a connecting rod (12).

7. A railway fastener bolt hole pull test mechanism according to claim 6 wherein: The protection auxiliary assembly comprises a protection frame (13) fixedly connected to the bottom of the jacking plate (11), the front surface of the protection frame (13) is provided with an observation opening, the inside of the observation opening of the protection frame (13) is rotatably connected with a turnover baffle (14), and the front surface of the protection frame (13) is provided with a resisting structure for limiting the rotation of the turnover baffle (14).

8. A railway fastener bolt hole pull test mechanism according to claim 7, characterised in that: The resisting structure comprises a rotating block (16) rotatably connected to the front surface of the protection frame (13), and the front surface of the protection frame (13) is fixedly connected with a resisting block (15) located below the rotating block (16).

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