Sleeper empty hoisting detection device applied to railway track
By designing a sleeper air crane detection device including a chain plate support frame, a limit-type walking wheel and a hammer detection mechanism, the dynamic imbalance and safety hazards caused by sleeper air cranes in railway tracks are solved, accurate detection and timely repair are achieved, and safety and portability are improved.
Patent Information
- Application Number
- CN202421771782.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-25
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-07-25
AI Technical Summary
The gap (empty crane) between the sleepers and the track bed in existing railway tracks leads to dynamic imbalance of the track, which may cause fatigue damage and safety accidents of the rails and/or sleepers.
A sleeper air hoist detection device is designed, including a chain plate support frame, a limit-type walking wheel, a hammer detection mechanism and an operating handle. The device realizes walking and inspection on the rail through the arching shape of the middle part of the chain plate support frame and the elastic clamping of the limit-type walking wheel. The hammer detection mechanism uses vibration waves to determine whether the sleeper is empty and suspended by hitting the upper end surface of the sleeper, and detects different positions through lateral movement.
The device can accurately determine the empty hanging parts of the track and repair them in a timely manner, prevent fatigue damage of the rails and/or sleepers, and avoid safety accidents. Its chain-type support frame design improves portability and space efficiency.
Smart Images

Figure CN222859437U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of railway facility maintenance, and in particular relates to a sleeper empty hanging detection device applied to railway tracks. Background Art
[0002] Existing sleepers are made of wood or concrete. Since wood sleepers are exposed to the external environment for a long time and will gradually decay, concrete sleepers are often used to replace wood sleepers. Under normal circumstances, concrete sleepers are firmly fastened to the upper end surface of the ballast bed by fasteners. However, during long-term use, a gap will appear between the bottom surface of the sleeper and the top surface of the ballast bed, which is called empty suspension. In this way, when the train passes through this position of the track, the track will fluctuate up and down, which is dynamic imbalance. After long-term rolling, the rails and / or sleepers will suffer from fatigue damage, which will cause safety accidents. Therefore, there is an urgent need for a device to detect empty suspension of track sleepers, which can accurately determine the empty suspension part of the track and can promptly repair the detected area to avoid safety accidents. Utility Model Content
[0003] The utility model provides a sleeper empty hanging detection device applied to railway tracks, which is used for accurately judging the empty hanging parts of the tracks and can timely repair the detected areas to prevent fatigue damage to the rails and / or sleepers and avoid safety accidents.
[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:
[0005] A sleeper empty hanging detection device applied to railway tracks comprises a chain plate type support frame which is arranged above the track and arched upward in the middle part, two limiting running wheels are respectively constructed at both ends of the chain plate type support frame along the length direction of the track, and the two limiting running wheels located at the same end part of the chain plate type support frame are respectively elastically clamped at the end faces of two rails which are away from each other, operating handles are symmetrically arranged on both sides of the chain plate type support frame, and a hammer detection mechanism which can move laterally along the chain plate type support frame is installed in the middle part of the chain plate type support frame.
[0006] Furthermore, the chain plate type support frame includes two arched fixing plates and multiple connecting plates, which are arranged in sequence and located between the two arched fixing plates, and two adjacent connecting plates are pivoted together through a pivot shaft, and the end of each pivot shaft passes through the corresponding arched fixing plate, and locking nuts are threadedly connected to the two end portions of the pivot shaft, and each locking nut is tightened on the outer end surface of the corresponding arched fixing plate.
[0007] Furthermore, each of the limited running wheels is constructed at the corresponding end of the arched fixed plate, and the limited running wheel includes a rolling wheel rotatably connected to the arched fixed plate, and the rolling wheel rolls on the upper end surface of the rail top of the rail, and a limiting member is arranged below the rolling wheel, and the limiting member is elastically connected to the arched fixed plate.
[0008] Furthermore, the limiting member includes a horizontally arranged connecting seat, which is located at the outer side of the rail and close to the lower end surface of the rail top, and a bending portion is formed on the side of the connecting seat close to the rail, and the bending portion is close to the waist of the rail, and a horizontal adapter plate is constructed at the end of the arched fixing plate, and two connecting bolts are arranged side by side, and the upper end of each connecting bolt passes through the connecting seat and the adapter plate in turn, and a fastening nut is threadedly connected to the connecting bolt, and the fastening nut is tightened on the upper end surface of the adapter plate, and a buffer spring is mounted on the connecting bolt, and the buffer spring is located between the connecting seat and the adapter plate.
[0009] Furthermore, a transverse seat is detachably connected to the arched portion of the chain plate support frame, a sliding rail is constructed at the lower end of the transverse seat, the sliding rail extends along the transverse direction of the rail to the two ends of the transverse seat, and the upper end of the hammer detection mechanism is assembled on the sliding rail.
[0010] Furthermore, the hammer detection mechanism includes a linear slide mounted on a sliding rail, the linear slide is pivotally connected to a swing arm through a bending arm, a vertical electric cylinder is installed at the lower end of the linear slide, the lower end of the driving rod of the vertical electric cylinder is hinged to a hinge seat through a connecting block, the hinge seat is constructed at one end of the swing arm close to the bending arm, and a striking hammer is installed at the other end of the swing arm.
[0011] Furthermore, the striking hammer includes a hammer body arranged below the swing arm, a vertical adjusting rod is constructed on the hammer body, the upper end of the vertical adjusting rod is movable through the guide sleeve of the swing arm, a first threaded hole is opened on the peripheral wall of the guide sleeve, a first locking bolt is threadedly connected to the guide sleeve through the first threaded hole, and the end of the first locking bolt is tightly abutted against the outer peripheral surface of the vertical adjusting rod.
[0012] Furthermore, the operating handle includes an inclined push rod, with a downwardly bent assembly rod and a horizontally extending connecting rod respectively constructed at both ends of the push rod, a gripping hand constructed at the end of the connecting rod, an assembly seat detachably connected to the chain plate type support frame, a fixing sleeve constructed on the assembly seat, a second threaded hole opened on the peripheral wall of the fixing sleeve, the assembly rod inserted into the fixing sleeve, the second locking bolt threadedly connected to the fixing sleeve through the second threaded hole, and the end of the second locking bolt tightly abuts against the outer peripheral surface of the assembly rod.
[0013] Furthermore, a plurality of debris cleaning brushes are detachably connected to the front end of the chain plate type support frame, and the debris cleaning brushes are arranged side by side between the two rails.
[0014] Furthermore, each of the cleaning brushes comprises a connecting sleeve detachably mounted on the front end of the chain plate type support frame, and bristles are constructed on the outer peripheral wall of the connecting sleeve. The bristles face the sleepers and contact the sleepers as the chain plate type support frame moves.
[0015] As the utility model adopts the above structure, compared with the prior art, the technical progress achieved is: as the utility model adopts a chain plate type support frame, the chain plate type support frame can be deformed and stored when transporting and carrying, thereby improving portability and reducing the space occupied by it. Before the inspection of the sleeper, the chain plate support frame is first adjusted to a shape with a raised middle portion, the two limit-type running wheels at the front end of the chain plate support frame are connected to the two rails and can run on the rails, and the two limit-type running wheels at the rear end of the chain plate support frame are also connected to the two rails and can run on the rails, and then two operating handles are installed on both sides of the chain plate support frame, the power supply is installed on the chain plate support frame, and the power supply and the hammer detection mechanism are connected together through a wire; after that, two inspectors synchronously push the two operating handles to move along the rails until the hammer detection mechanism is located above the sleeper to be tested, and then control the hammer detection mechanism to move so that the hammer detection mechanism knocks on the upper end surface of the sleeper to be tested, and judges whether the sleeper is empty through the vibration wave generated by the knocking; when the result of the judgment is empty, the sleeper should be repaired in time to fill the gap between the sleeper and the roadbed. The utility model can realize the knocking detection of different positions of the sleeper to be tested by controlling the lateral movement of the hammer detection mechanism along the track, and thus can accurately judge the empty hanging condition of the sleeper. In summary, the utility model can accurately determine the empty hanging parts of the track and can promptly repair the detected areas, thereby preventing fatigue damage to the rails and / or sleepers and avoiding safety accidents. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.
[0017] In the attached picture:
[0018] Figure 1 This is a schematic diagram of the structure of the embodiment of the utility model traveling on two rails;
[0019] Figure 2 for Figure 1 A schematic diagram of another angle of the structure shown;
[0020] Figure 3 It is a schematic diagram of the structure of the chain plate type support frame connected with a plurality of cleaning brushes in an embodiment of the utility model;
[0021] Figure 4 It is a schematic structural diagram of the corresponding arrangement of a plurality of cleaning brushes and a disassembled chain plate type support frame according to an embodiment of the utility model;
[0022] Figure 5 This is a schematic diagram of the structure of the limited travel wheel connected to the rail and the arched fixing plate in the embodiment of the utility model;
[0023] Figure 6 for Figure 5 A front view of the structure shown;
[0024] Figure 7 This is a schematic diagram of the structure of the connection between the transverse seat and the hammer detection mechanism in the embodiment of the utility model;
[0025] Figure 8 This is a schematic diagram of the structure of the hammer detection mechanism of the utility model embodiment;
[0026] Fig. 9 It is a structural schematic diagram of the operating handle of an embodiment of the utility model.
[0027] Labeled parts: 100-chain plate support frame, 101-connecting plate, 102-pivot shaft, 103-first working port, 104-second working port, 105-assembly groove, 106-bow fixing plate, 107-connecting hole, 108-locking nut, 109-connecting ear, 110-adapter plate, 200-limited walking wheel, 201-assembly shaft, 202-rolling wheel, 203-limiting flange, 204-connecting seat, 205-bending part, 206-connecting bolt, 207-buffer spring, 208-fastening nut, 300-cleaning brush, 301-connecting sleeve, 302-brush Mao, 303-the third threaded hole, 400-lateral seat, 401-sliding rail, 500-hammer detection mechanism, 501-linear slide, 502-vertical electric cylinder, 503-driving rod, 504-connecting block, 505-articulated seat, 506-bending arm, 507-swinging arm, 508-vertical adjustment rod, 509-hammer body, 510-guide sleeve, 511-first threaded hole, 600-operating handle, 601-push rod, 602-assembly rod, 603-connecting rod, 604-holding hand, 605-assembly seat, 606-fixing sleeve, 607-second threaded hole, 700-rail. DETAILED DESCRIPTION
[0028] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.
[0029] The utility model discloses a sleeper empty hanging detection device applied to railway tracks, such as Figure 1-9As shown, it includes a chain plate support frame 100, a hammer detection mechanism 500, two operating handles 600 and four limited travel wheels 200. Among them, the chain plate support frame 100 is adjusted to a shape with the middle part arched upward, and it is set above the track. The four limited travel wheels 200 are evenly divided into two groups, and the two groups of limited travel wheels 200 are respectively installed at the two ends of the chain plate support frame 100 extending along the length direction of the track, and the two limited travel wheels 200 located at the same end of the chain plate support frame 100 are elastically clamped at the end faces of the two rails 700 away from each other, that is, each limited travel wheel 200 is clamped on the outer side of the corresponding rail 700, and can roll on the upper end face of the rail top of the rail 700, and the two operating handles 600 are symmetrically arranged on both sides of the chain plate support frame 100. The hammer detection mechanism 500 of the utility model is installed in the middle of the chain plate support frame 100, and the hammer detection mechanism 500 can move laterally along the chain plate support frame 100. The working principle and advantage of the utility model are: since the utility model adopts the chain plate support frame 100, the chain plate support frame 100 can be deformed and stored when transporting and carrying, which improves portability and reduces the space occupied by it. Before performing the inspection operation of the sleeper, the chain plate support frame 100 is first adjusted to a shape with a raised middle part, the two limiting walking wheels 200 at the front end of the chain plate support frame 100 are connected to the two rails 700 and can travel on the rails 700, and the two limiting walking wheels 200 at the rear end of the chain plate support frame 100 are also connected to the two rails 700 and can travel on the rails 700, and then two operating handles 600 are installed on both sides of the chain plate support frame 100, and the power supply is installed on the chain plate support frame 100, and the power supply is installed on the chain plate support frame 100. The source is connected to the hammer detection mechanism 500 through a wire; after that, two detection personnel synchronously push the two operating handles 600 to move along the rail 700 until the hammer detection mechanism 500 is located above the sleeper to be tested, and then control the hammer detection mechanism 500 to move so that the hammer detection mechanism 500 knocks on the upper end surface of the sleeper to be tested, and judges whether the sleeper is empty through the vibration wave generated by the knocking; when the result of the judgment is empty, the sleeper should be repaired in time to fill the gap between the sleeper and the roadbed. The utility model can realize the knocking detection of different positions of the sleeper to be tested by controlling the lateral movement of the hammer detection mechanism 500 along the track, and then accurately judge the empty hanging situation of the sleeper. In summary, the utility model can accurately judge the empty hanging part of the track, and can repair the detected area in time, preventing the rail 700 and / or the sleeper from fatigue damage, and avoiding safety accidents.
[0030] As a preferred embodiment of the present invention, Figure 3 , 4As shown, the chain plate type support frame 100 includes two arched fixing plates 106 and a plurality of connecting plates 101, which are sequentially arranged and located between the two arched fixing plates 106, and two adjacent connecting plates 101 are pivotally connected together through a pivot shaft 102. A plurality of connecting holes 107 are provided on each arched fixing plate 106, and the end of each pivot shaft 102 passes through the corresponding connecting hole 107 and passes through the arched fixing plate 106. Locking nuts 108 are respectively threadedly connected to the ends of the two ends of the pivot shaft 102, and each locking nut 108 is tightened on the outer end surface of the corresponding arched fixing plate 106. In this embodiment, the arched fixing plate 106 is used to shape the plurality of connecting plates 101 hinged to each other, so that the chain plate type support frame 100 forms an arched structure, and then the hammer detection mechanism 500 installed in the middle of the chain plate type support frame 100 has a certain distance from the sleeper, so as to facilitate the subsequent knocking operation. After the detection is completed, the two arched fixing plates 106 can be disassembled, and then the mutually hinged connecting plates 101 can be folded and stored for easy transportation and storage. In this embodiment, different types of arched fixing plates 106 can be replaced, so that the degree of arching of the chain plate support frame 100 can be changed, so that the installation height of the hammer detection mechanism 500 can be adjusted. In this embodiment, an assembly groove 105 is constructed on one of the connecting plates 101, and the assembly groove 105 is used to assemble components such as power supplies and processors.
[0031] As a preferred embodiment of the present invention, Figure 5 , 6As shown, the limited travel wheel 200 is constructed at the corresponding end of the arched fixed plate 106. The limited travel wheel 200 includes a rolling wheel 202 and a limiting member, wherein the rolling wheel 202 is coaxially assembled on the assembly shaft 201, and the assembly shaft 201 is rotatably connected to the end of the arched fixed plate 106. The rolling wheel 202 rolls on the upper end surface of the rail top of the rail 700, and limiting flanges 203 are respectively constructed at the axial ends of the rolling wheel 202, each limiting flange 203 extends radially outwardly along the rolling wheel 202, and two limiting flanges 203 are located on both sides of the rail top. The limiting member of this embodiment is arranged below the rolling wheel 202, and the limiting member is elastically connected to the arched fixed plate 106. Specifically, the limiting member includes a horizontally arranged connection seat 204, which is located outside the rail 700, and the connection seat 204 is close to the lower end surface of the rail top, and a bending portion 205 is formed on the side of the connection seat 204 close to the rail 700, and the bending portion 205 is close to the rail waist of the rail 700. In this embodiment, a horizontal adapter plate 110 is constructed at the end of the arched fixing plate 106, two connecting bolts 206 are arranged side by side, and the upper end of each connecting bolt 206 passes through the connection seat 204 and the adapter plate 110 in sequence; a fastening nut 208 is threadedly connected to the connection bolt 206, and the fastening nut 208 is screwed on the upper end surface of the adapter plate 110; a buffer spring 207 is sleeved on the connection bolt 206, and the buffer spring 207 is located between the connection seat 204 and the adapter plate 110. This embodiment achieves the purpose of limiting one side of the rail top through the rolling wheel 202 and the connecting seat 204, and cooperates with another limiting walking wheel 200 at the same end of the chain plate type support frame 100, so that the two limiting walking wheels 200 limit the two rails 700 between them, thereby avoiding the situation where the limiting walking wheels 200 are separated from the rails 700 during the process of walking on the rails 700, and preventing the chain plate type support frame 100 from bouncing and separating from the rails 700 when the hammer detection mechanism 500 strikes the sleeper.
[0032] As a preferred embodiment of the present invention, Figure 7 , 8As shown, a transverse seat 400 is provided at the arched part of the chain plate support frame 100, and connecting ears 109 are respectively constructed at both ends of the connecting plate 101 below the transverse seat 400, and the two connecting ears 109 are detachably connected to the two ends of the transverse seat 400. A sliding rail 401 is constructed at the lower end of the transverse seat 400, and the sliding rail 401 extends to the two ends of the transverse seat 400 along the transverse direction of the track. The upper end of the hammer detection mechanism 500 is assembled on the sliding rail 401 and can move along the guide of the sliding rail 401. In order to facilitate the transverse movement of the hammer detection mechanism 500 along the track, a first operation opening 103 is opened on the connecting plate 101 at the arched position of the chain plate support frame 100, and the first operation opening 103 extends to both sides of the chain plate support frame 100. The lower end of the hammer detection mechanism 500 passes through the chain plate support frame 100 through the first operation opening 103. The specific structure of the hammer detection mechanism 500 of this embodiment is that the hammer detection mechanism 500 includes a linear slide 501, a bending arm 506, a swing arm 507, a vertical electric cylinder 502 and a percussion hammer. The linear slide 501 is assembled on the slide rail 401, the linear slide 501 is pivotally connected to the swing arm 507 through the bending arm 506, the vertical electric cylinder 502 is installed at the lower end of the linear slide 501, the lower end of the driving rod 503 of the vertical electric cylinder 502 is hinged to the hinge seat 505 through the connecting block 504, the hinge seat 505 is constructed at one end of the swing arm 507 close to the bending arm 506, and the percussion hammer is installed at the other end of the swing arm 507. In order to prevent the chain plate type support frame 100 from blocking the raised percussion hammer, a second operation opening 104 is provided on the chain plate type support frame 100 and at a position where the trajectory of the percussion hammer passes. The second operation opening 104 is provided on the corresponding connecting plate 101, and the second operation opening 104 extends to both sides of the connecting plate 101. The working principle and advantage of the present embodiment are as follows: the present embodiment drives the swing arm 507 to rotate along the pivotal connection between the bending arm 506 and the swing arm 507 through the driving rod 503 of the vertical electric cylinder 502, so that the percussion hammer is lifted along with the other end of the swing arm 507, and then controls the vertical electric cylinder 502 to move in the reverse direction, so that the percussion hammer falls and percusses the sleeper to be tested. The present embodiment can adjust the connection position between the percussion hammer and the swing arm 507, so that the stroke of the percussion changes. Specifically, the percussion hammer includes a hammer body 509 arranged below the swing arm 507, and a vertical adjustment rod 508 is constructed at the upper end of the hammer body 509. A guide sleeve 510 is constructed at the end of the swing arm 507, and the upper end of the vertical adjustment rod 508 moves through the guide sleeve 510 of the swing arm 507. A first threaded hole 511 is opened on the peripheral wall of the guide sleeve 510. The first locking bolt is threadedly connected to the guide sleeve 510 through the first threaded hole 511, and the end of the first locking bolt is tightly abutted against the outer peripheral surface of the vertical adjustment rod 508.In this embodiment, the connection position between the vertical adjustment rod 508 and the guide sleeve 510 can be adjusted by loosening the first locking bolt, that is, adjusting the vertical position of the vertical adjustment rod 508. After the adjustment is completed, the first locking bolt is tightened.
[0033] As a preferred embodiment of the present invention, Fig. 9 As shown, the operating handle 600 includes a push rod 601 which is tilted, and an assembly rod 602 and a connecting rod 603 are respectively constructed at both ends of the push rod 601, the assembly rod 602 is bent downward, and the connecting rod 603 extends in the horizontal direction. Among them, a gripping hand 604 is constructed at the end of the connecting rod 603 for the inspection personnel to hold. An assembly seat 605 is detachably connected to one side of the chain plate type support frame 100, and a fixing sleeve 606 is constructed on the assembly seat 605. A second threaded hole 607 is opened on the peripheral wall of the fixing sleeve 606, and the assembly rod 602 is inserted into the fixing sleeve 606. The second locking bolt is threadedly connected to the fixing sleeve 606 through the second threaded hole 607, and the end of the second locking bolt is tightly abutted against the outer peripheral surface of the assembly rod 602. In this embodiment, the connection angle between the operating handle 600 and the chain plate type support frame 100 can be adjusted, so that the inspection personnel can save more effort when pushing the entire device to move. Moreover, after the inspection is completed, the operating handle 600 can be disassembled for easy storage.
[0034] As a preferred embodiment of the utility model, in the process of pushing the entire device to move along the track, the debris, gravel, etc. on the sleeper to be tested can be fully removed to avoid affecting the knocking and detection. The measures taken are as follows: Figure 3 , 4 As shown, a plurality of cleaning brushes 300 are detachably connected to the front end of the chain plate support frame 100, and these cleaning brushes 300 are arranged side by side between two rails 700. In this embodiment, each cleaning brush 300 includes a connecting sleeve 301 that can be detachably mounted on the front end of the chain plate support frame 100, and bristles 302 are constructed on the outer peripheral wall of the connecting sleeve 301. These bristles 302 face the sleeper and contact the sleeper as the chain plate support frame 100 moves, thereby achieving the purpose of cleaning the sleeper debris. In this embodiment, a third threaded hole 303 is opened on the peripheral wall of the connecting sleeve 301, and the connecting sleeve 301 is mounted on the corresponding pivot shaft 102. The connecting sleeve 301 is threadedly connected to the third locking bolt through the third threaded hole 303, and the end of the third locking bolt is tightly abutted against the peripheral wall of the pivot shaft 102, thereby achieving the fixing of the connecting sleeve 301 and the pivot shaft 102.
[0035] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the scope of protection of the claims of the utility model.
Claims
1. A sleeper empty hanging detection device applied to railway tracks, characterized in that: It includes a chain plate support frame which is arranged above the track and arched upward in the middle part, two limiting running wheels are respectively constructed at both ends of the chain plate support frame along the length direction of the track, and the two limiting running wheels located at the same end of the chain plate support frame are respectively elastically clamped at the end faces of the two rails that are away from each other, operating handles are symmetrically arranged on both sides of the chain plate support frame, and a hammer detection mechanism which can move laterally along the chain plate support frame is installed in the middle part of the chain plate support frame.
2. The sleeper empty hanging detection device applied to railway tracks according to claim 1 is characterized in that: The chain plate type support frame includes two arched fixing plates and multiple connecting plates, which are arranged in sequence and located between the two arched fixing plates, and two adjacent connecting plates are pivoted together through a pivot shaft, and the end of each pivot shaft passes through the corresponding arched fixing plate, and locking nuts are respectively threadedly connected to the two end portions of the pivot shaft, and each of the locking nuts is tightened on the outer end surface of the corresponding arched fixing plate.
3. The sleeper empty hanging detection device applied to railway tracks according to claim 2 is characterized in that: Each of the limited running wheels is constructed at the corresponding end of the arched fixed plate, and the limited running wheel includes a rolling wheel rotatably connected to the arched fixed plate, and the rolling wheel rolls on the upper end surface of the rail top of the rail, and a limiting member is arranged below the rolling wheel, and the limiting member is elastically connected to the arched fixed plate.
4. The sleeper empty hanging detection device applied to railway tracks according to claim 3 is characterized in that: The limiting member includes a horizontally arranged connecting seat, which is located on the outer side of the rail and close to the lower end surface of the rail top. A bending portion is formed on the side of the connecting seat close to the rail, and the bending portion is close to the waist of the rail. A horizontal adapter plate is constructed at the end of the arched fixing plate, and two connecting bolts are arranged side by side. The upper end of each connecting bolt passes through the connecting seat and the adapter plate in turn. A fastening nut is threadedly connected to the connecting bolt, and the fastening nut is tightened on the upper end surface of the adapter plate. A buffer spring is mounted on the connecting bolt, and the buffer spring is located between the connecting seat and the adapter plate.
5. The sleeper empty hanging detection device applied to railway tracks according to claim 1 is characterized in that: A transverse seat is detachably connected to the arched portion of the chain plate support frame, a sliding rail is constructed at the lower end of the transverse seat, the sliding rail extends to the two ends of the transverse seat along the lateral direction of the rail, and the upper end of the hammer detection mechanism is assembled on the sliding rail.
6. The sleeper empty hanging detection device applied to railway tracks according to claim 5 is characterized in that: The hammer detection mechanism includes a linear slide mounted on a sliding rail, the linear slide is pivotally connected to a swing arm through a bending arm, a vertical electric cylinder is installed at the lower end of the linear slide, the lower end of the driving rod of the vertical electric cylinder is hinged to an articulated seat through a connecting block, the articulated seat is constructed at one end of the swing arm close to the bending arm, and a striking hammer is installed at the other end of the swing arm.
7. The sleeper empty hanging detection device applied to railway tracks according to claim 6 is characterized in that: The striking hammer includes a hammer body arranged below the swing arm, a vertical adjustment rod is constructed on the hammer body, the upper end of the vertical adjustment rod is movable through the guide sleeve of the swing arm, a first threaded hole is opened on the peripheral wall of the guide sleeve, a first locking bolt is threadedly connected to the guide sleeve through the first threaded hole, and the end of the first locking bolt is tightly abutted against the outer peripheral surface of the vertical adjustment rod.
8. The sleeper empty hanging detection device applied to railway tracks according to claim 1 is characterized in that: The operating handle includes an inclined push rod, with a downwardly bent assembly rod and a horizontally extending connecting rod respectively constructed at both ends of the push rod, a gripping hand constructed at the end of the connecting rod, an assembly seat detachably connected to the chain plate type support frame, a fixing sleeve constructed on the assembly seat, a second threaded hole opened on the peripheral wall of the fixing sleeve, the assembly rod inserted into the fixing sleeve, the second locking bolt threadedly connected to the fixing sleeve through the second threaded hole, and the end of the second locking bolt tightly abuts against the outer peripheral surface of the assembly rod.
9. The sleeper empty hanging detection device applied to railway tracks according to claim 1 is characterized in that: A plurality of debris cleaning brushes are detachably connected to the front end of the chain plate type support frame, and the debris cleaning brushes are arranged side by side between the two rails.
10. The sleeper empty hanging detection device applied to railway tracks according to claim 9, characterized in that: Each of the cleaning brushes comprises a connecting sleeve which is detachably mounted on the front end of the chain plate type support frame, and bristles are constructed on the outer peripheral wall of the connecting sleeve. The bristles face the sleeper and contact the sleeper as the chain plate type support frame moves.