Hoop type bolt-free carrier cable dropper clamp device

Abstract

The utility model relates to the technical field of carrier cable dropper wire clamps, in particular to a hoop type bolt-free carrier cable dropper wire clamp device. A bolt fixing type carrier cable dropper clamp is inconvenient to mount, dismount and maintain, and torque attenuation is easy to occur. Based on the problem, the hoop type bolt-free carrier cable dropper clamp device comprises a carrier cable clamp body, an upper hoop, a lower hoop and a hanging ring, and an upper end fixing part and a lower end fixing part of the carrier cable clamp body are circumferentially locked and fixed through the upper hoop and the lower hoop. According to the utility model, the upper ring hoop and the lower ring hoop are used for fastening the carrier cable dropper wire clamp, no thread fixed connection mode is adopted, the attenuation condition of fastening torque is not involved, the convenience in the mounting, dismounting and overhauling process of the carrier cable dropper wire clamp is improved, and the structural connection of the obtained carrier cable dropper wire clamp is firmer and more reliable.

Description

Technical Field

[0001] The utility model relates to the technical field of catenary suspension clamps, in particular to a hoop-type boltless catenary suspension clamp device. Background Art

[0002] The overhead catenary of high-speed railway is a device to ensure the safety of railway transportation. The integral suspension is one of the important components of the overhead catenary system, and the catenary suspension clamp is one of the key stress components of the integral suspension.

[0003] The original bolt-fixed catenary suspension clamp not only has requirements for torque during installation, but also is prone to torque attenuation and corrosion loosening after being used for a period of time, seriously affecting the long-term safe and stable operation of the overhead catenary of high-speed railway. More importantly, the installation, disassembly and maintenance of the bolt-fixed catenary suspension clamp are relatively inconvenient. Content of the Utility Model

[0004] The technical problem to be solved by the utility model is that the installation, disassembly and maintenance of the bolt-fixed catenary suspension clamp are relatively inconvenient and torque attenuation is likely to occur. Based on the above problems, the utility model provides a hoop-type boltless catenary suspension clamp device, which includes a catenary clamp body, an upper hoop, a lower hoop and a suspension ring.

[0005] The catenary clamp body includes a first catenary clamp and a second catenary clamp.

[0006] The adjacent end faces of the first catenary clamp and the second catenary clamp are in contact with each other and form an upper fixing part, a catenary hole and a lower fixing part which are connected in sequence from top to bottom.

[0007] The upper fixing part and the lower fixing part of the catenary clamp body are respectively clamped and fixed circumferentially by the upper hoop and the lower hoop.

[0008] The suspension ring is fixed on the inner wall of the cavity of the lower fixing part of the catenary clamp body, and the suspension ring is used for threading the suspension string.

[0009] The catenary hole is used for fixedly threading the catenary.

[0010] Preferably, the first catenary clamp includes a first upper fixing part, a first arc section in the middle and a first lower fixing part which are fixedly connected in sequence.

[0011] The second catenary clamp includes a second upper fixing part, a second arc section in the middle and a second lower fixing part which are fixedly connected in sequence.

[0012] The adjacent end faces of the first upper fixing part and the second upper fixing part are attached to each other to form an upper fixing part. The upper fixing part has an upper part cavity with an axis perpendicular to the ground, and the cross-section of the upper part cavity is circular.

[0013] The adjacent end faces of the first lower fixing part and the second lower fixing part are attached to each other to form a lower fixing part. The lower fixing part has a lower part cavity with an axis perpendicular to the ground, and the cross-section of the lower part cavity is circular.

[0014] The adjacent end faces of the first arc segment and the second arc segment are attached to each other to form a catenary hole. The axis of the inner wall of the circumferential surface of the catenary hole is parallel to the ground, and the catenary is fixedly arranged in the catenary hole.

[0015] The bottom end face of the upper part cavity is attached and fixed to the outer surface of the upper part of the catenary hole, and the upper end face of the lower part cavity is attached and fixed to the outer surface of the lower part of the catenary hole.

[0016] Preferably, the sling includes a first hook, a first straight section, a sling arc section, a second straight section, and a second hook that are fixedly connected in sequence.

[0017] The first hook and the second hook are symmetrically arranged and are respectively located on both sides of the sling arc section.

[0018] The first straight section and the second straight section are parallel and symmetrically arranged and are respectively located on both sides of the sling arc section.

[0019] The first straight section and the second straight section are located in the lower part cavity of the lower fixing part.

[0020] The sling arc section extends out from the bottom of the lower part cavity of the lower fixing part.

[0021] The notch of the sling arc section is vertically upward.

[0022] The vertical section groove vertically extends from the middle of the inner wall of the lower part cavity to the lower edge of the inner wall of the lower part cavity.

[0023] L-shaped grooves and blind grooves are symmetrically arranged on the inner wall of the lower part cavity.

[0024] The L-shaped groove includes a vertical section groove perpendicular to the ground and an arc section groove with a positive projection parallel to the ground that are fixedly connected in sequence. The vertical section groove and the arc section groove are interconnected.

[0025] The axis direction of the dark groove is vertically downward, the horizontal cross-sectional shape of the dark groove is rectangular, the size of the dark groove opening allows the first hook and the second hook of the hanging ring to enter, the dark groove is located directly below the arc groove of the L-shaped groove, the dark groove opening is communicated with the arc groove of the L-shaped groove, the dark groove opening is close to the side of the arc groove of the L-shaped groove away from the vertical groove, and the depth of the dark groove opening is less than the length of the vertical groove of the L-shaped groove.

[0026] The L-shaped groove is communicated with the lower cavity of the lower fixing part, the periphery and the upper and lower end faces of the dark groove are all in the inner wall sandwich of the lower cavity of the lower fixing part, and the dark groove is not communicated with the lower cavity of the lower fixing part in the direction perpendicular to its axis.

[0027] The first hook and the second hook respectively slide from the vertical section of the L-shaped groove to the inner wall of the lower cavity, and finally slide through the arc section of the L-shaped groove into the dark groove and are automatically buckled and fixed.

[0028] Preferably, the outer wall of the upper fixing part forms a continuous cylindrical surface in the circumferential direction, and an annular groove and two symmetrically arranged vertical grooves are formed on the outer wall of the upper fixing part.

[0029] The annular groove is located in the lower part of the vertical groove and is communicated with the vertical groove.

[0030] The vertical groove extends vertically upward along the circumferential outer wall of the upper fixing part to the upper end face of the upper fixing part. Preferably, the circumferential surface at the bottom of the annular groove can coincide with the lower end face of the upper fixing part.

[0031] The inner wall of the upper hoop forms a cylindrical cavity in the circumferential direction, and two symmetrically arranged protrusions are fixed on the inner wall of the upper hoop.

[0032] The circumferential surface where the protrusions are located coincides with the circumferential surface where the annular groove is located.

[0033] The protrusions respectively slide from the two symmetrically arranged vertical grooves into the annular groove and are respectively fixed in the annular groove after circumferential rotation.

[0034] Preferably, one end of the upper hoop is open and the other end is closed. The outer wall and the upper surface of the upper fixing part are located in the cylindrical cavity of the upper hoop and are completely wrapped and closed by it. Except for the groove part and the upper end face of the upper fixing part, the other adjacent end faces of the upper fixing part and the upper hoop are in contact with each other.

[0035] Preferably, the outer wall of the lower fixing part forms a continuous circumferential surface in the circumferential direction, and an annular groove and two symmetrically arranged vertical grooves are formed on the outer wall of the lower fixing part.

[0036] The vertical groove extends perpendicularly along the circumferential outer wall of the lower fixing part to the lower end face of the lower fixing part.

[0037] The annular groove is located in the upper part of the vertical groove and is in communication with it.

[0038] The inner wall of the lower collar forms a cylindrical cavity circumferentially, and two protrusions are symmetrically fixed on the inner wall of the lower collar. The protrusions are located at the edge of the upper part of the inner wall of the lower collar.

[0039] The circumferential surface where the protrusions are located coincides with the circumferential surface where the annular groove is located.

[0040] The protrusions respectively slide from the two symmetrically arranged vertical grooves into the annular groove and are respectively fixed in the annular groove through circumferential rotation.

[0041] Preferably, the circumferential outer wall of the lower fixing part is completely wrapped and fitted by the lower collar. Except for the groove part, the adjacent end faces of the lower fixing part and the lower collar are in contact with each other.

[0042] Preferably, the clamp body further includes a first connecting body and a second connecting body.

[0043] The adjacent end faces of the first connecting body and the second connecting body are in contact with each other to form a connecting body.

[0044] The connecting body is located between the contact wire hole and the lower fixing part. The upper and lower end faces of the connecting body are respectively in contact and fixed with the adjacent end faces of the contact wire hole and the lower fixing part.

[0045] On the adjacent end faces of the first connecting body and the second connecting body, a first connecting part and a second connecting part are fixedly provided. The first connecting part and the second connecting part are axially parallel. The first connecting part and the second connecting part are respectively in contact and fixedly connected with the adjacent end faces of the first connecting body and the second connecting body.

[0046] A first groove is formed axially between the first connecting part and the second connecting part.

[0047] On the adjacent end face of the second connecting body and the first connecting body, a third connecting part and a fourth connecting part are fixedly provided. The third connecting part and the fourth connecting part are axially parallel.

[0048] A second groove is formed axially between the third connecting part and the fourth connecting part.

[0049] The third connecting part is completely embedded in the first groove.

[0050] The second connecting part is completely embedded in the second groove.

[0051] The adjacent end faces of the first connecting body and the second connecting body are in seamless contact.

[0052] Preferably, the adjacent end faces of the first connecting body and the second connecting body are in contact with each other and form a cylinder or a cuboid, and the straight line where the mechanical center of the cylinder or cuboid is located is perpendicular to and intersects with the axis of the messenger wire hole, and the intersection point is the mechanical center of the inner wall of the messenger wire hole circumference.

[0053] Preferably, the circumferential cavities of the upper and lower fixing parts are concentric and coaxial, and the axis of the circular cavity of the upper fixing part passes through the mechanical center of the inner wall of the messenger wire hole circumference and the geometric center of the cylinder or cuboid formed by the first connecting body and the second connecting body.

[0054] Preferably, the first messenger wire clip rotates 180° around the axis perpendicular to the ground and completely coincides with the second messenger wire clip.

[0055] The beneficial effects of the present utility model are as follows:

[0056] (1) During the fastening process of the messenger wire suspension clip of the present utility model, no threaded fixed connection method is adopted, and there is no attenuation of the fastening torque, which improves the convenience during the installation, disassembly and maintenance of the messenger wire suspension clip. The structural connection of the obtained messenger wire suspension clip is firmer and more reliable;

[0057] (2) For the hoop type boltless messenger wire suspension clip device obtained by the present utility model, the first messenger wire clip rotates 180° around the axis perpendicular to the ground and completely coincides with the second messenger wire clip, that is, the structures of the first messenger wire clip and the second messenger wire clip can be completely the same without directional restrictions, making the installation and subsequent maintenance of the hoop type boltless messenger wire suspension clip device more convenient. Description of the Drawings

[0058] The present utility model will be further described below in conjunction with the drawings and embodiments.

[0059] Figure 1 : is the front view of a hoop type boltless messenger wire suspension clip device of the present utility model.

[0060] Figure 2 : is the structural schematic diagram after the adjacent end faces of the first messenger wire clip and the second messenger wire clip in a hoop type boltless messenger wire suspension clip device of the present utility model are in contact.

[0061] Figure 3 : is the structural schematic diagram of the suspension ring in a hoop type boltless messenger wire suspension clip device of the present utility model.

[0062] Figure 4 : is the structural schematic diagram of the first messenger wire clip and the second messenger wire clip in a hoop type boltless messenger wire suspension clip device of the present utility model.

[0063] Figure 5 : It is a schematic structural diagram of the first messenger wire clip in a hoop-type boltless messenger wire suspension clip device of the present utility model.

[0064] Figure 6 : It is a schematic structural diagram of the second messenger wire clip in a hoop-type boltless messenger wire suspension clip device of the present utility model.

[0065] Figure 7 : It is Figure 4 A partial enlarged view of part A in

[0066] In the figure: 1. Messenger wire clip body, 1-1-1. First upper fixing part, 1-1-2. First arc section, 1-1-6. First lower fixing part, 1-1-7. First connecting body, 1-2-1. Second upper fixing part, 1-2-2. Second arc section, 1-2-6. Second lower fixing part, 1-2-7. Second connecting body, 1-1-7-1. First connecting part, 1-1-7-2. Second connecting part, 1-2-7-1. Third connecting part, 1-2-7-2. Fourth connecting part, 2. Upper hoop, 3. Lower hoop, 4. Suspension ring, 5-1. First annular groove, 5-2. First vertical groove, 6-1. Second vertical groove, 6-2. Second annular groove, 8. L-shaped groove, 9. Hidden groove. Specific embodiments

[0067] Now, the present utility model will be further described in detail with reference to the accompanying drawings. These drawings are all simplified schematic diagrams, only illustrating the basic structure of the present utility model in a schematic manner, so they only show the components related to the present utility model.

[0068] As Figures 1-7 shown, it is a hoop-type boltless messenger wire suspension clip device of the present utility model, including a messenger wire clip body 1, an upper hoop 2, a lower hoop 3, and a suspension ring 4.

[0069] The messenger wire clip body 1 includes a first messenger wire clip and a second messenger wire clip.

[0070] The adjacent end faces of the first messenger wire clip and the second messenger wire clip are in contact with each other and form an upper fixing part, a messenger wire hole, and a lower fixing part that are sequentially connected from top to bottom.

[0071] The upper fixing part and the lower fixing part of the messenger wire clip body 1 are respectively clamped and fixed circumferentially by the upper hoop 2 and the lower hoop 3.

[0072] The suspension ring 4 is fixed on the inner wall of the cavity of the lower fixing part of the messenger wire clip body 1, and the suspension ring 4 is used for threading the suspension string.

[0073] The messenger wire hole is used for fixedly threading the messenger wire.

[0074] Preferably, the first catenary clamp includes a first upper fixing part 1-1-1, a first arc section 1-1-2 in the middle, and a first lower fixing part 1-1-6 that are fixedly connected in sequence.

[0075] The second catenary clamp includes a second upper fixing part 1-2-1, a second arc section 1-2-2 in the middle, and a second lower fixing part 1-2-6 that are fixedly connected in sequence.

[0076] The adjacent end faces of the first upper fixing part 1-1-1 and the second upper fixing part 1-2-1 are in contact with each other to form an upper fixing part. The upper fixing part has an upper cavity with an axis perpendicular to the ground, and the cross-section of the upper cavity is circular.

[0077] The adjacent end faces of the first lower fixing part 1-1-6 and the second lower fixing part 1-2-6 are in contact with each other to form a lower fixing part. The lower fixing part has a lower cavity with an axis perpendicular to the ground, and the cross-section of the lower cavity is circular.

[0078] The adjacent end faces of the first arc section 1-1-2 and the second arc section 1-2-2 are in contact with each other to form a catenary hole. The axis of the inner wall of the circumferential catenary hole is parallel to the ground, and the catenary is fixedly arranged in the catenary hole; the bottom end face of the upper cavity is in contact and fixed with the outer surface of the upper part of the catenary hole, and the upper end face of the lower cavity is in contact and fixed with the outer surface of the lower part of the catenary hole.

[0079] In order to better install, disassemble and overhaul the hanging ring 4, the hanging ring 4 includes a first hook, a first straight section, a hanging ring 4 arc section, a second straight section and a second hook that are fixedly connected in sequence.

[0080] The first hook and the second hook are symmetrically arranged and are respectively located on both sides of the hanging ring 4 arc section.

[0081] The first straight section and the second straight section are parallel and symmetrically arranged and are respectively located on both sides of the hanging ring 4 arc section.

[0082] The first straight section and the second straight section are located in the lower cavity of the lower fixing part.

[0083] The hanging ring 4 arc section extends out from the bottom of the lower cavity of the lower fixing part.

[0084] The notch of the hanging ring 4 arc section is vertically upward.

[0085] The vertical section groove extends vertically from the middle of the inner wall of the lower cavity to the lower edge of the inner wall of the lower cavity.

[0086] On the inner wall of the lower end cavity, L-shaped grooves 8 and hidden grooves 9 are symmetrically provided.

[0087] The L-shaped groove 8 includes a vertical groove section perpendicular to the ground and an arc groove section with a positive projection parallel to the ground, which are fixedly connected in sequence. The vertical groove section and the arc groove section are interconnected.

[0088] The axis direction of the hidden groove 9 is vertically downward. The horizontal cross-sectional shape of the hidden groove 9 is rectangular. The size of the hidden groove 9 opening allows the first hook and the second hook of the lifting ring 4 to enter. The hidden groove 9 is located directly below the arc groove section of the L-shaped groove 8. The hidden groove 9 opening is interconnected with the arc groove section of the L-shaped groove 8. The hidden groove 9 opening is close to the side of the arc groove section of the L-shaped groove 8 away from the vertical groove section. The depth of the hidden groove 9 opening is less than the length of the vertical groove section of the L-shaped groove 8.

[0089] The L-shaped groove 8 is communicated with the lower end cavity of the lower fixing part. The periphery, upper and lower end faces of the hidden groove 9 are all in the inner wall sandwich layer of the lower end cavity of the lower fixing part. The hidden groove 9 is not communicated with the lower end cavity of the lower fixing part in the direction perpendicular to its axis.

[0090] The first hook and the second hook respectively slide from the vertical groove section of the L-shaped groove 8 to the inner wall of the lower end cavity, and finally slide into the hidden groove 9 through the arc groove section of the L-shaped groove 8 and are automatically buckled and fixed.

[0091] In order to realize the locking and fixing of the upper hoop 2 to the upper fixing part, the outer wall of the upper fixing part forms a continuous cylindrical surface in the circumferential direction. An annular groove and two symmetrically arranged vertical grooves are provided on the outer wall of the upper fixing part.

[0092] The annular groove is located below the vertical groove and is interconnected with the vertical groove.

[0093] The vertical groove section extends vertically upward along the circumferential outer wall of the upper fixing part to the upper end face of the upper fixing part.

[0094] The inner wall of the upper hoop 2 forms a cylindrical cavity in the circumferential direction. Two protrusions are fixedly arranged symmetrically on the inner wall of the upper hoop 2.

[0095] The circumferential surface where the protrusions are located coincides with the circumferential surface where the annular groove is located.

[0096] The protrusions respectively slide from the two symmetrically arranged vertical grooves into the annular groove and are respectively fixed in the annular groove after circumferential rotation.

[0097] In order to realize the locking and fixing of the upper hoop 2 to the upper end fixing part, as well as disassembly, inspection and installation, one end of the upper hoop 2 is open and the other end is closed. The outer wall and the upper surface of the upper end fixing part are located in the cylindrical cavity of the upper hoop 2 and are completely wrapped and closed by it. Except for the groove part and the upper end surface of the upper end fixing part, the adjacent end faces of the upper end fixing part and the upper hoop 2 are in contact with each other.

[0098] In order to realize the locking and fixing of the lower hoop 3 to the lower end fixing part, as well as disassembly, inspection and installation, a continuous circumferential surface is formed on the outer wall of the lower end fixing part. An annular groove and two symmetrically arranged vertical grooves are formed on the outer wall of the lower end fixing part.

[0099] The vertical groove extends vertically along the circumferential outer wall of the lower end fixing part to the lower end surface of the lower end fixing part.

[0100] The annular groove is located in the upper part of the vertical groove and is communicated with it.

[0101] A cylindrical cavity is formed circumferentially on the inner wall of the lower hoop 3. Two protrusions are symmetrically fixed on the inner wall of the lower hoop 3. The protrusions are located at the edge of the upper part of the inner wall of the lower hoop 3.

[0102] The circumferential surface where the protrusions are located coincides with the circumferential surface where the annular groove is located.

[0103] The protrusions slide from the two symmetrically arranged vertical grooves into the annular groove respectively and are fixed in the annular groove through circumferential rotation.

[0104] In order to enable the lower hoop 3 to better lock and fix the lower end fixing part, the outer circumferential wall of the lower end fixing part is completely wrapped and fitted by the lower hoop 3. Except for the groove part, the adjacent end faces of the lower end fixing part and the lower hoop 3 are in contact with each other.

[0105] In order to better fit and fix the adjacent end faces of the first contact wire clamp and the second contact wire clamp together, the clamp body further includes a first connecting body 1-1-7 and a second connecting body 1-2-7.

[0106] The adjacent end faces of the first connecting body 1-1-7 and the second connecting body 1-2-7 are in contact with each other to form a connecting body.

[0107] The connecting body is located between the contact wire hole and the lower end fixing part. The upper and lower end faces of the connecting body are respectively in contact and fixed with the adjacent end faces of the contact wire hole and the lower end fixing part.

[0108] On the end faces of the first connecting body 1-1-7 adjacent to the second connecting body 1-2-7, a first connecting portion 1-1-7-1 and a second connecting portion 1-1-7-2 are fixedly provided. The first connecting portion 1-1-7-1 and the second connecting portion 1-1-7-2 are axially parallel. The first connecting portion 1-1-7-1 and the second connecting portion 1-1-7-2 are respectively fixedly connected in a fitting manner with the adjacent end faces of the first connecting body 1-1-7 and the second connecting body 1-2-7.

[0109] A first groove is formed axially between the first connecting portion 1-1-7-1 and the second connecting portion 1-1-7-2.

[0110] On the end faces of the second connecting body 1-2-7 adjacent to the first connecting body 1-1-7, a third connecting portion 1-2-7-1 and a fourth connecting portion 1-2-7-2 are fixedly provided. The third connecting portion 1-2-7-1 and the fourth connecting portion 1-2-7-2 are axially parallel.

[0111] A second groove is formed axially between the third connecting portion 1-2-7-1 and the fourth connecting portion 1-2-7-2.

[0112] The third connecting portion 1-2-7-1 is completely embedded in the first groove.

[0113] The second connecting portion 1-1-7-2 is completely embedded in the second groove.

[0114] The adjacent end faces of the first connecting body 1-1-7 and the second connecting body 1-2-7 are seamlessly fitted.

[0115] In order to further improve the mechanical strength of the catenary suspension clip device and extend its service life, the adjacent end faces of the first connecting body 1-1-7 and the second connecting body 1-2-7 are in contact with each other and form a cylinder or a cuboid. The straight line where the mechanical center of the cylinder or cuboid is located is perpendicular to and intersects with the axis of the catenary hole, and the intersection point is the mechanical center of the inner wall of the circumference of the catenary hole.

[0116] In order to further improve the mechanical strength of the catenary suspension clip device and extend its service life, the circumferential cavities of the upper and lower fixing parts are concentric and coaxial. The axis of the circular cavity of the upper fixing part passes through the mechanical center of the inner wall of the circumference of the catenary hole and the geometric center of the cylinder or cuboid formed by the first connecting body 1-1-7 and the second connecting body 1-2-7.

[0117] In order to make the installation and later maintenance of the hoop-type boltless catenary suspension clip device more convenient, the first catenary clip rotates 180° around the axis perpendicular to the ground and completely coincides with the second catenary clip.

[0118] Based on the above-mentioned ideal embodiments of the present utility model as inspiration, through the above description, relevant staff can completely make various changes and modifications without departing from the technical idea of this utility model. The technical scope of this utility model is not limited to the content in the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A hoop-type boltless catenary suspension clamp device, characterized in that, It includes a catenary clamp body (1), an upper hoop (2), a lower hoop (3) and a suspension ring (4). The catenary clamp body (1) includes a first catenary clamp and a second catenary clamp. The adjacent end faces of the first catenary clamp and the second catenary clamp are in contact with each other and form an upper fixing part, a catenary hole and a lower fixing part which are sequentially connected from top to bottom. The upper fixing part and the lower fixing part of the catenary clamp body (1) are respectively clamped and fixed circumferentially by the upper hoop (2) and the lower hoop (3). The suspension ring (4) is fixed on the inner wall of the cavity of the lower fixing part of the catenary clamp body (1), and the suspension ring (4) is used for threading a suspension string. The catenary hole is used for fixedly threading a catenary.

2. The hoop-type boltless catenary suspension string clamp device according to claim 1, characterized in that The first catenary clamp includes a first upper fixing part (1-1-1), a first arc section (1-1-2) in the middle, and a first lower fixing part (1-1-6) which are fixedly connected in sequence. The second catenary clamp includes a second upper fixing part (1-2-1), a second arc section (1-2-2) in the middle, and a second lower fixing part (1-2-6) which are fixedly connected in sequence. The adjacent end faces of the first upper fixing part (1-1-1) and the second upper fixing part (1-2-1) are in contact with each other and form an upper fixing part. The upper fixing part has an upper cavity with an axis perpendicular to the ground, and the cross-section of the upper cavity is circular. The adjacent end faces of the first lower fixing part (1-1-6) and the second lower fixing part (1-2-6) are in contact with each other and form a lower fixing part. The lower fixing part has a lower cavity with an axis perpendicular to the ground, and the cross-section of the lower cavity is circular. The adjacent end faces of the first arc section (1-1-2) and the second arc section (1-2-2) are in contact with each other and form a catenary hole. The axis of the inner wall of the catenary hole is parallel to the ground, and the catenary is fixedly threaded in the catenary hole. The bottom end face of the upper cavity is in contact and fixed with the outer surface of the upper part of the catenary hole, and the upper end face of the lower cavity is in contact and fixed with the outer surface of the lower part of the catenary hole.

3. The hoop-type boltless catenary suspension string clamp device according to claim 1, characterized in that The suspension ring (4) includes a first hook, a first straight section, a suspension ring (4) arc section, a second straight section and a second hook which are fixedly connected in sequence. The first hook and the second hook are symmetrically arranged and are respectively located on both sides of the suspension ring (4) arc section. The first straight section and the second straight section are parallel and symmetrically arranged and are respectively located on both sides of the suspension ring (4) arc section. The first straight section and the second straight section are located in the lower cavity of the lower fixing part. The suspension ring (4) arc section extends out from the bottom of the lower cavity of the lower fixing part. The notch of the suspension ring (4) arc section is vertically upward. The vertical section groove vertically extends from the middle of the inner wall of the lower cavity to the lower edge of the inner wall of the lower cavity. L-shaped grooves (8) and blind grooves (9) are symmetrically arranged on the inner wall of the lower cavity. The axis direction of the hidden groove (9) is vertically downward. The horizontal cross-sectional shape of the hidden groove (9) is rectangular. The size of the hidden groove (9) opening allows the first hook and the second hook of the lifting ring (4) to enter. The hidden groove (9) is located directly below the arc groove of the L-shaped groove (8). The hidden groove (9) opening is in communication with the arc groove of the L-shaped groove (8). The hidden groove (9) opening is close to the side of the arc groove of the L-shaped groove (8) away from the vertical groove. The depth of the hidden groove (9) opening is less than the length of the vertical groove of the L-shaped groove (8). The L-shaped groove (8) includes a vertical groove perpendicular to the ground and an arc groove whose orthographic projection is parallel to the ground, which are fixedly connected in sequence. The vertical groove is in communication with the arc groove. The L-shaped groove (8) is in communication with the lower end cavity of the lower fixing part. The periphery and the upper and lower end faces of the hidden groove (9) are all in the inner wall sandwich of the lower end cavity of the lower fixing part. The hidden groove (9) is not in communication with the lower end cavity of the lower fixing part in the direction perpendicular to its axis. The first hook and the second hook respectively slide from the vertical section of the L-shaped groove (8) to the inner wall of the lower end cavity, and finally slide into the hidden groove (9) through the arc section of the L-shaped groove (8) and are automatically buckled and fixed.

4. A hoop-type boltless catenary suspension clamp device according to claim 1, characterized in that The outer wall of the upper fixing part forms a continuous cylindrical surface in the circumferential direction. An annular groove and two symmetrically arranged vertical grooves are provided on the outer wall of the upper fixing part. The annular groove is located at the lower part of the vertical groove and is in communication with the vertical groove. The vertical groove extends vertically upward along the circumferential outer wall of the upper fixing part to the upper end face of the upper fixing part. The inner wall of the upper hoop (2) forms a cylindrical cavity in the circumferential direction. Two protrusions are symmetrically fixed on the inner wall of the upper hoop (2). The circumferential surface where the protrusions are located coincides with the circumferential surface where the annular groove is located. The protrusions respectively slide from the two symmetrically arranged vertical grooves into the annular groove and are respectively fixed in the annular groove after circumferential rotation.

5. The hoop type boltless catenary suspension clamp device according to claim 4, characterized in that, One end of the upper hoop (2) is open and the other end is closed. The outer wall and the upper surface of the upper fixing part are located in the cylindrical cavity of the upper hoop (2) and are completely wrapped and closed by it. Except for the groove part and the upper end face of the upper fixing part, the adjacent end faces of the upper fixing part and the upper hoop (2) are in contact with each other.

6. The hoop-type boltless catenary suspension clamp device according to claim 1, characterized in that, The outer wall of the lower fixing part forms a continuous circumferential surface in the circumferential direction. An annular groove and two symmetrically arranged vertical grooves are provided on the outer wall of the lower fixing part. The vertical groove extends vertically along the circumferential outer wall of the lower fixing part to the lower end face of the lower fixing part. The annular groove is located at the upper part of the vertical groove and is in communication with it. The inner wall of the lower hoop (3) forms a cylindrical cavity in the circumferential direction. Two protrusions are symmetrically fixed on the inner wall of the lower hoop (3). The protrusions are located at the edge of the upper part of the inner wall of the lower hoop (3). The circumferential surface where the protrusions are located coincides with the circumferential surface where the annular groove is located. The protrusions respectively slide from the two symmetrically arranged vertical grooves into the annular groove and are respectively fixed in the annular groove after circumferential rotation.

7. The hoop type boltless catenary suspension clamp device according to claim 6, characterized in that, The outer circumferential wall of the lower end fixing part is completely wrapped and fitted by the lower hoop (3). Except for the groove part, the adjacent end faces of the lower end fixing part and the lower hoop (3) are in contact with each other.

8. The hoop-type boltless catenary suspension clamp device according to claim 1, characterized in that, The clamp body further includes a first connecting body (1-1-7) and a second connecting body (1-2-7). The adjacent end faces of the first connecting body (1-1-7) and the second connecting body (1-2-7) are in contact with each other to form a connecting body. The connecting body is located between the contact wire hole and the lower end fixing part. The upper and lower end faces of the connecting body are respectively in contact and fixed with the adjacent end faces of the contact wire hole and the lower end fixing part. On the adjacent end faces of the first connecting body (1-1-7) and the second connecting body (1-2-7), a first connecting part (1-1-7-1) and a second connecting part (1-1-7-2) are fixedly arranged. The first connecting part (1-1-7-1) and the second connecting part (1-1-7-2) are axially parallel. The first connecting part (1-1-7-1) and the second connecting part (1-1-7-2) are respectively in contact and fixedly connected with the adjacent end faces of the first connecting body (1-1-7) and the second connecting body (1-2-7). A first groove is formed axially between the first connecting part (1-1-7-1) and the second connecting part (1-1-7-2). On the adjacent end face of the second connecting body (1-2-7) and the first connecting body (1-1-7), a third connecting part (1-2-7-1) and a fourth connecting part (1-2-7-2) are fixedly arranged. The third connecting part (1-2-7-1) and the fourth connecting part (1-2-7-2) are axially parallel. A second groove is formed axially between the third connecting part (1-2-7-1) and the fourth connecting part (1-2-7-2). The third connecting part (1-2-7-1) is completely embedded in the first groove. The second connecting part (1-1-7-2) is completely embedded in the second groove. The adjacent end faces of the first connecting body (1-1-7) and the second connecting body (1-2-7) are in seamless contact.

9. The hoop-type boltless catenary suspension clamp device according to claim 8, characterized in that, The adjacent end faces of the first connecting body (1-1-7) and the second connecting body (1-2-7) are in contact with each other and form a cylinder or a cuboid. The straight line where the mechanical center of the cylinder or cuboid is located is perpendicular to and intersects with the axis of the contact wire hole, and the intersection point is the mechanical center of the inner circumferential wall of the contact wire hole.

10. The hoop-type boltless catenary suspension clamp device according to claim 1, characterized in that, The first contact wire clamp rotates 180° around the axis perpendicular to the ground and completely coincides with the second contact wire clamp.

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