Cable cutting device for transformer substation construction

Abstract

The utility model discloses a cable cutting device for transformer substation construction. The cable cutting device comprises a supporting assembly, a clamping assembly and a cutting assembly. The supporting assembly comprises a supporting plate; the clamping assembly comprises an inclined plate, an arc-shaped plate and a sliding block. The inclined plate is fixedly connected with the supporting plate; a finger clamping plate is arranged on the side surface of the inclined plate; the arc-shaped plate is fixedly connected with the sliding block; the cutting assembly comprises a cutting blade; the two arc-shaped plates are arranged on the left side and the right side of the cutting blade correspondingly. The inclined plate is in a straight plate shape, the finger clamping plate is in an arc plate shape, and the connecting position of the inclined plate and the finger clamping plate forms a sharp corner structure. The cable has radial elasticity, and the cable deforms to fill the sharp corner structure when being clamped, so that compared with the traditional arc plate clamping, the clamping stability is better. The inclined plate is matched with the two arc-shaped plates so that two positions of the cable can be clamped, then the cutting assembly cuts the cable from the position between the two arc-shaped plates, the structure is simple, the function is reliable, safety and stability are achieved, and wide market prospects are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of cable cutting equipment, in particular to a cable cutting device for substation construction. Background Art

[0002] A substation is a place in the power system that transforms voltage and current, receives and distributes electrical energy. The substation in a power plant is a step-up substation, which boosts the voltage of the power generated by the generator and transmits it to the high-voltage power grid.

[0003] Cables are necessary components in substations; cable installation is required during substation construction, and cable cutting is a necessary process for cable installation.

[0004] In traditional technology, cable cutting tools usually use two relatively mounted arc plates to clamp the cable for positioning before cutting. However, the number of conductors in the cable will affect the elasticity of the cable. The more conductors there are, the greater the overall elasticity of the cable. When the cable is clamped to an elliptical cross-section, it has lower clamping stability and a greater risk of clamping failure. Summary of the invention

[0005] In order to overcome the problem in the above background technology that "the cable has low clamping stability when the cross section is clamped to an elliptical shape", the utility model provides a cable cutting device for substation construction.

[0006] The technical solution adopted by the utility model to solve the above technical problems is:

[0007] A cable cutting device for substation construction, comprising a support assembly, a clamping assembly and a cutting assembly; the support assembly includes a support plate, a column and a support bottom plate, the top end of the column is fixedly connected to the support plate, the bottom end of the column is fixedly connected to the support bottom plate, and the support plate is placed above the support bottom plate; the support plate is provided with a chute and a plug-in slot, and a slide bar is fixedly installed in the chute; the clamping assembly includes an inclined plate, an arc plate, a slider, a first connecting block, a second connecting block and a first linear driver; the inclined plate is fixedly connected to the end of the support plate, and a finger clamping plate is provided on the side of the inclined plate; the arc plate is fixedly connected to the slider, and the slider is slidably arranged in the chute; the first connecting block and the second connecting block are respectively fixedly installed at both ends of the bottom surface of the slider, the second connecting block is connected to the first linear driver, and the first linear driver is connected to the support bottom plate; the cutting assembly includes a cutting blade placed above the support plate and movable; there are two arc plates, namely arc plate a and arc plate b, and a first knife groove is provided between arc plate a and arc plate b; a second knife groove is provided on the inclined plate and the finger clamping plate; arc plate a and arc plate b are respectively arranged on the left and right sides of the cutting blade; the inclined plate is in a straight plate shape, and the finger clamping plate is in an arc plate shape.

[0008] As a further optimized solution of the present invention, there are two sliders, namely slider a and slider b, slider a is fixedly connected to arc plate a, and slider b is fixedly connected to arc plate b; there are two chutes, namely chute a and chute b, slider a is slidably placed in chute a, and slider b is slidably placed in chute b.

[0009] As a further optimized solution of the present invention, there are two slide bars; the two slide bars are respectively installed in chute a and chute b; slider a and slider b are respectively slidably sleeved on the surfaces of the two slide bars.

[0010] As a further optimized solution of the present invention, one end of slider a and one end of slider b are fixedly connected through the first connecting block, and the other end of slider a and the other end of slider b are fixedly connected through the second connecting block.

[0011] As a further optimized solution of the present invention, both the first connecting block and the second connecting block are placed below the support plate; the first connecting block is placed above the first linear driver.

[0012] As a further optimized solution of the utility model, the cutting blade is in the shape of a right trapezoid and the cutting edge is located at the hypotenuse position; the cutting assembly further includes a tool holder, a second linear driver and a mounting plate; the cutting blade is fixedly connected to the tool holder, the tool holder is connected to the second linear driver, the second linear driver is connected to the mounting plate, and the mounting plate is fixedly connected to the support plate in an L shape.

[0013] As a further optimized solution of the utility model, the cutting edge is arranged parallel to the inclined plate.

[0014] As a further optimized solution of the utility model, the cutting blade is circular and the cutting edge is located at the outer edge position; the cutting assembly further includes a connecting arm, a shaft seat and a driving motor; the cutting blade is rotatably connected to the top end of the connecting arm, the bottom end of the connecting arm is connected to the shaft seat, the shaft seat is connected to the support plate; the cutting blade is connected to the driving motor.

[0015] As a further optimized solution of the utility model, the driving motor is installed on the connecting arm.

[0016] As a further optimized solution of the utility model, the cutting assembly further includes a limiting support, the bottom of the limiting support is connected to the support plate, the top of the limiting support is provided with an adapting plate, the adapting plate is arranged obliquely; the adapting plate is adapted to the lower surface of the connecting arm.

[0017] In summary, the beneficial effects of the utility model are as follows:

[0018] A cable cutting device for substation construction includes a support assembly, a clamping assembly and a cutting assembly; the support assembly includes a support plate; the clamping assembly includes an inclined plate, an arc plate, a slider; the inclined plate is fixedly connected to the support plate, and finger clamps are arranged on the side of the inclined plate; the arc plate is fixedly connected to the slider, and the slider is slidably arranged in the chute; the cutting assembly includes a cutting blade; there are two arc plates which are respectively arranged on the left and right sides of the cutting blade; the inclined plate is in a straight plate shape, the finger clamps are in an arc plate shape, and the connection position between the inclined plate and the finger clamps forms a sharp angle structure; the cable has radial elasticity, and the cable deforms when clamped to fill the sharp angle structure, so it has better clamping stability compared with the traditional arc plate clamping. The inclined plate of the utility model is matched with two arc plates to clamp two positions of the cable, and then the cutting assembly cuts the cable between the two arc plates. The structure is simple, the function is reliable, the safety is stable, and it has a broad market prospect. Description of the Drawings

[0019] The following further illustrates the present application with reference to the drawings:

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 Schematic diagram of the positions and structures of the support component and the clamping component;

[0022] Figure 3 Schematic diagram of the position and structure of the diagonal brace;

[0023] Figure 4 Schematic diagram of the positions and structures of the arc plate a and the arc plate b;

[0024] Figure 5 Schematic diagram of the connection structure of the slider, the first connection block and the second connection block;

[0025] Figure 6 Schematic diagram of the position and structure of the first tool groove;

[0026] Figure 7 Schematic diagram of the positions and structures of the tool holder and the second linear driver;

[0027] Figure 8 Schematic diagram of the positions and structures of the connecting arm, the limit support and the gripping handle.

[0028] Description of the reference numerals:

[0029] In the figure, 1, support component; 11, support plate; 111, chute; 112, slide bar; 113, insertion slot; 12, column; 13, support base plate; 2, clamping component; 21, inclined plate; 211, finger clamping plate; 2110, second tool groove; 22, arc plate; 220, first tool groove; 221, diagonal brace; 23, slider; 24, first connection block; 25, second connection block; 26, first linear driver; 3, cutting component; 31, cutting blade; 32, tool holder; 33, second linear driver; 34, mounting plate; 35, connecting arm; 36, shaft seat; 37, limit support; 38, gripping handle; 4, cable;

[0030] 111a, chute a; 111b, chute b; 22a, arc plate a; 22b, arc plate b; 23a, slider a; 23b, slider b. Detailed implementation manners

[0031] Based on the above structural features of the present application, the implementation manners of the present application will be further described:

[0032] Referring to Figures 1 to 8 , this embodiment provides a cable cutting device for substation construction, including a support component 1, a clamping component 2 and a cutting component 3.

[0033] Referring to Figures 1 to 2, the support assembly 1 includes a support plate 11, a column 12, and a support base plate 13. The top end of the column 12 is fixedly connected to the support plate 11 (e.g., by bolt connection), and the bottom end of the column 12 is fixedly connected to the support base plate 13 (e.g., by bolt connection). The support plate 11 is placed above the support base plate 13.

[0034] Refer to Figure 2 With Figure 4 , the support plate 11 is provided with a chute 111 and a socket slot 113. A slide bar 112 is fixedly installed in the chute 111 (e.g., by bolt connection), and the slide bar 112 is arranged along the length direction of the chute 111. The socket slot 113 is used to provide a receiving space for the cutting blade 31.

[0035] Refer to Figures 1 to 6 , the clamping assembly 2 includes an inclined plate 21, an arc plate 22, a slider 23, a first connecting block 24, a second connecting block 25, and a first linear actuator 26. The inclined plate 21 is in a straight plate shape; the inclined plate 21 is fixedly connected to the end of the support plate 11 (e.g., by bolt connection), and a finger clamping plate 211 is provided on the side of the inclined plate 21 (e.g., by bolt connection), and the finger clamping plate 211 is in an arc plate shape; the arc plate 22 is fixedly connected to the slider 23, and the slider 23 is slidably arranged in the chute 111; the two ends of the bottom surface of the slider 23 are respectively fixedly installed with a first connecting block 24 and a second connecting block 25, the second connecting block 25 is connected to the output shaft of the first linear actuator 26, and the housing of the first linear actuator 26 is connected to the support base plate 13 (e.g., by bolt connection).

[0036] Refer to Figure 2 With Figure 3 , a diagonal brace 221 is provided between the arc plate 22 and the slider 23, and the inclined plate 21 and the diagonal brace 221 are respectively arranged on both sides of the arc plate 22. The diagonal brace 221 is fixedly connected to the arc plate 22 (e.g., by bolt connection), and the diagonal brace 221 is fixedly connected to the slider 23 (e.g., by bolt connection). When the arc plate 22 clamps the cable 4, the diagonal brace 221 respectively exerts a supporting force on the arc plate 22 and the slider 23 to prevent the arc plate 22 from bending and deforming.

[0037] Refer to Figures 6 to 8 , the cutting assembly 3 includes a cutting blade 31 that is placed above the support plate 11 and is movable.

[0038] Refer to Figure 6 , there are two arc plates 22, which are respectively the arc plate a 22a and the arc plate b 22b. A first knife groove 220 is provided between the arc plate a 22a and the arc plate b 22b; a second knife groove 2110 is provided on the inclined plate 21 and the finger clamping plate 211; the arc plate a 22a and the arc plate b 22b are respectively arranged on the left and right sides of the cutting blade 31.

[0039] Refer to Figure 4With Figure 5 There are two sliders 23, namely slider a 23a and slider b 23b respectively. Slider a 23a is fixedly connected to arc plate a 22a (for example, fixedly connected by bolts), and slider b 23b is fixedly connected to arc plate b 22b (for example, fixedly connected by bolts); There are two chute 111, namely chute a 111a and chute b 111b respectively. Slider a 23a can slide and be placed in chute a 111a, and slider b 23b can slide and be placed in chute b 111b.

[0040] Refer to Figure 2 With Figure 5 There are two slide bars 112; The two slide bars 112 are respectively installed in chute a 111a and chute b 111b; Slider a 23a and slider b 23b can respectively slide and be sleeved on the surfaces of the two slide bars 112.

[0041] Refer to Figure 5 One end of slider a 23a and one end of slider b 23b are fixedly connected by a first connecting block 24 (for example, fixedly connected by bolts), and the other end of slider a 23a and the other end of slider b 23b are fixedly connected by a second connecting block 25 (for example, fixedly connected by bolts).

[0042] Refer to Figure 2 Both the first connecting block 24 and the second connecting block 25 are placed below the support plate 11; The first connecting block 24 is placed above the first linear driver 26, which is used to increase the transmission stability between the first linear driver 26 and the slider 23, reduce eccentric load wear, and improve the service life of the present utility model.

[0043] Refer to Figure 6 With Figure 7 The cutting blade 31 is in the shape of a right trapezoid and the cutting edge is located at the hypotenuse position; The cutting assembly 3 further includes a tool holder 32, a second linear driver 33 and a mounting plate 34; The cutting blade 31 is fixedly connected to the tool holder 32 (for example, fixedly connected by bolts), the tool holder 32 is fixedly connected to the output shaft of the second linear driver 33 by bolts, the housing of the second linear driver 33 is fixedly connected to the mounting plate 34 by bolts, and the mounting plate 34 is fixedly connected to the support plate 11 in an L shape (for example, fixedly connected by bolts). The cutting edge is arranged parallel to the inclined plate 21 to ensure the uniformity of cutting force transmission; The second tool groove 2110 on the inclined plate 21 is parallel to the cutting edge, so as to avoid damage to the cutting blade 31 caused by concentrated stress when the cutting edge contacts the second tool groove 2110. During use, move the present utility model until the cable 4 is placed in the clamping assembly 2, and the first linear driver 26 drives the arc plate 22 until the arc plate 22 and the inclined plate 21 clamp the cable 4 from both sides; Then the second linear driver 33 drives the cutting blade 31 to move horizontally to cut the cable 4.

[0044] Refer to Figure 8, the cutting blade 31 is circular and the cutting edge is located at the outer edge position; the cutting assembly 3 further includes a connecting arm 35, a shaft seat 36 and a driving motor; the cutting blade 31 is rotatably connected to the top end of the connecting arm 35 (for example, connected by a bearing), the bottom end of the connecting arm 35 is connected to the shaft seat 36 through a bearing, and the shaft seat 36 is fixedly connected to the support plate 11 by bolts; the cutting blade 31 is connected to the output shaft of the driving motor by bolts or keys. The housing of the driving motor is mounted on the connecting arm 35 by bolts. The cutting assembly 3 further includes a limiting support 37, the bottom of the limiting support 37 is connected to the support plate 11, and an adapter plate is mounted on the top of the limiting support 37 (for example, fixedly connected by bolts). The adapter plate is inclined, and the adapter plate is detachably press-connected to the lower surface of the connecting arm 35 and is adapted to the lower surface of the connecting arm 35. The limiting support 37 and the adapter plate are used to prevent the connecting arm 35 and the cutting blade 31 from descending excessively, and further prevent the cutting blade 31 from scratching the second connecting block 25. A gripping handle 38 is vertically and fixedly connected to the upper surface of the connecting arm 35 (for example, fixedly connected by bolts). When in use, move the present utility model so that the cable 4 is placed in the clamping assembly 2, and the first linear actuator 26 drives the arc plate 22 until the arc plate 22 and the inclined plate 21 clamp the cable 4 from both sides; then the driving motor drives the cutting blade 31 to rotate, and the worker manually or uses a robotic arm to grip the gripping handle 38 and press down the connecting arm 35 to cut the cable 4 with the cutting blade 31.

[0045] The inclined plate 21 is in a straight plate shape, and the finger clamping plate 211 is in an arc plate shape. The connecting position between the inclined plate 21 and the finger clamping plate 211 forms a sharp corner structure; the cable 4 has radial elasticity, and the cable 4 deforms when clamped to fill the sharp corner structure. Therefore, compared with the traditional arc plate clamping, it has better clamping stability. The inclined plate 21 of the present utility model is paired with two arc plates 22 to clamp two positions of the cable 4, and then the cutting assembly 3 cuts the cable 4 between the two arc plates 22. The structure is simple, the function is reliable, safe and stable, and has a broad market prospect.

[0046] The first linear actuator 26 and the second linear actuator 33 are both hydraulic push rods or electro-hydraulic push rods. The hydraulic push rod is connected and communicated with an external hydraulic system, and the electro-hydraulic push rod is electrically connected to an external power supply.

[0047] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0048] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and limited, the terms "arranged", "installed", and "connected" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be a direct connection or a connection through an intermediate medium; it may be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0049] In summary, for those skilled in the art, based on the guidance of the present utility model, without departing from the principle and spirit of the present utility model, the changes, modifications, substitutions, and deformations made to the present utility model still fall within the protection scope of the present utility model.

Claims

1. A cable cutting device for substation construction, characterized in that: It comprises a supporting component (1), a clamping component (2) and a cutting component (3); The support assembly (1) comprises a support plate (11), a column (12) and a support base plate (13), the top end of the column (12) being fixedly connected to the support plate (11), the bottom end of the column (12) being fixedly connected to the support base plate (13), and the support plate (11) being placed above the support base plate (13); The support plate (11) is provided with a slide groove (111) and a plug-in groove (113), and a slide rod (112) is fixedly installed in the slide groove (111); The clamping assembly (2) comprises an inclined plate (21), an arc-shaped plate (22), a slider (23), a first connecting block (24), a second connecting block (25) and a first linear drive (26); the inclined plate (21) is fixedly connected to the end of the support plate (11), and a finger clamping plate (211) is provided on the side of the inclined plate (21); the arc-shaped plate (22) is fixedly connected to the slider (23), and the slider (23) is slidably arranged in the slide groove (111); the first connecting block (24) and the second connecting block (25) are respectively fixedly installed at two ends of the bottom surface of the slider (23), the second connecting block (25) is connected to the first linear drive (26), and the first linear drive (26) is connected to the support bottom plate (13); The cutting assembly (3) comprises a cutting blade (31) which is disposed above the support plate (11) and is movable; The arc plate (22) is provided with two arc plates a (22a) and an arc plate b (22b), respectively; a first knife groove (220) is provided between the arc plate a (22a) and the arc plate b (22b); a second knife groove (2110) is provided on the inclined plate (21) and the finger clamping plate (211); the arc plate a (22a) and the arc plate b (22b) are respectively provided on the left and right sides of the cutting blade (31); The inclined plate (21) is in the shape of a straight plate, and the finger clamp plate (211) is in the shape of an arc plate.

2. The cable cutting device for substation construction according to claim 1, characterized in that: The slider (23) is provided with two sliders a (23a) and a slider b (23b), respectively; the slider a (23a) is fixedly connected to the arc plate a (22a), and the slider b (23b) is fixedly connected to the arc plate b (22b); the slide groove (111) is provided with two sliders a (111a) and a slide groove b (111b), respectively; the slider a (23a) can be slidably placed in the slide groove a (111a), and the slider b (23b) can be slidably placed in the slide groove b (111b).

3. The cable cutting device for substation construction according to claim 2, characterized in that: Two sliding rods (112) are provided; the two sliding rods (112) are respectively installed in the sliding groove a (111a) and the sliding groove b (111b); the sliding block a (23a) and the sliding block b (23b) are respectively slidably sleeved on the surfaces of the two sliding rods (112).

4. The cable cutting device for substation construction according to claim 3 is characterized in that: One end of the slider a (23a) is fixedly connected to one end of the slider b (23b) via the first connecting block (24), and the other end of the slider a (23a) is fixedly connected to the other end of the slider b (23b) via the second connecting block (25).

5. The cable cutting device for substation construction according to claim 4, characterized in that: The first connecting block (24) and the second connecting block (25) are both placed below the support plate (11); and the first connecting block (24) is placed above the first linear drive (26).

6. The cable cutting device for substation construction according to claim 5, characterized in that: The cutting blade (31) is in the shape of a right-angled trapezoid, and the blade edge is located at the bevel position; the cutting assembly (3) further comprises a blade holder (32), a second linear drive (33) and a mounting plate (34); the cutting blade (31) is fixedly connected to the blade holder (32), the blade holder (32) is connected to the second linear drive (33), the second linear drive (33) is connected to the mounting plate (34), and the mounting plate (34) is fixedly connected to the support plate (11) in an L-shape.

7. The cable cutting device for substation construction according to claim 6, characterized in that: The blade is arranged parallel to the inclined plate (21).

8. The cable cutting device for substation construction according to claim 5, characterized in that: The cutting blade (31) is circular and has a blade edge located at an outer edge; the cutting assembly (3) further comprises a connecting arm (35), a shaft seat (36) and a drive motor; the cutting blade (31) is rotatably connected to the top end of the connecting arm (35), the bottom end of the connecting arm (35) is connected to the shaft seat (36), and the shaft seat (36) is connected to the support plate (11); the cutting blade (31) is connected to the drive motor.

9. The cable cutting device for substation construction according to claim 8, characterized in that: The driving motor is mounted on the connecting arm (35).

10. The cable cutting device for substation construction according to claim 9, characterized in that: The cutting assembly (3) further comprises a limit support (37), the bottom of the limit support (37) is connected to the support plate (11), an adapter plate is mounted on the top of the limit support (37), and the adapter plate is arranged at an angle; the adapter plate is adapted to the lower surface of the connecting arm (35).

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