CN216012923U - Automatic bending tester for electrical casing - Google Patents

Abstract

The utility model relates to an electrician's sheathed tube field, concretely relates to electrician's sleeve pipe automatic bending test machine, including placing in the base on ground and keeping away from the fixed branch in one side on ground with the base, the one end that the base was kept away from to branch is fixed with the straight-bar, the straight-bar is mutually perpendicular with branch, the both ends of straight-bar all are fixed with the montant, the montant is mutually perpendicular with the straight-bar, be fixed with the dead lever on the montant, the both ends of dead lever are fixed with two montants respectively, it is connected with the handle still to rotate on the dead lever, the handle is equipped with two, and two handle symmetries set up, be equipped with the clamping piece that is used for pressing from both sides electrician's sheathed tube on the dead lever, one side that the base was kept away from ground still is equipped with and is used for driving handle pivoted driving piece, two driving pieces correspond respectively, the one end that the base was kept away from to the one end and the handle was articulated. This application has the effect of conveniently wrenching electrician's sleeve pipe.

Description

Automatic bending tester for electrical casing

Technical Field

The application relates to the field of electrical sleeves, in particular to an automatic bending tester for electrical sleeves.

Background

The electrical casing is a white hard PVC conduit, is a pipe for corrosion prevention, electric leakage prevention and electric wire threading, and is mostly used in indoor normal environment and places with high temperature, dustiness, vibration and fire hazard. Therefore, it is generally necessary to detect whether or not a crack is present in an electrical bushing sample and to detect the degree of loss of the sample.

At present, whether an electrical casing meets requirements or not is generally detected through a bending tester, the bending tester generally comprises a base placed on the ground and a supporting rod fixed on the base, a handle and a clamping device used for clamping the electrical casing are arranged on the supporting rod, the clamping device comprises a forming wheel fixed on the supporting rod and a bending roller rotatably connected with the handle, and the forming wheel and the bending roller are arranged just opposite to each other. When the electrical casing is required to be bent, the electrical casing is firstly inserted between the forming wheel and the bending roller, then the handle is held by hands to rotate from top to bottom, so that the bending roller rotates along the direction of the forming wheel, the electrical casing is bent, and the bending test of the electrical casing can be completed.

In view of the above technical solutions, the inventors consider that the following drawbacks exist: the general electrician's sleeve pipe is all through the manual work to turn the bending, need consume the manpower for operating personnel's working strength is big, makes the crooked operation of turning of electrician's sleeve pipe inconvenient. Thus, there is still room for improvement.

SUMMERY OF THE UTILITY MODEL

In order to conveniently turn the electrical casing, the application provides an automatic bending test machine of electrical casing.

The application provides a pair of automatic bending test machine of electrician's sleeve pipe adopts following technical scheme:

an automatic bending test machine for an electrician sleeve comprises a base placed on the ground and a support rod fixed on one side of the base away from the ground, wherein a straight rod is fixed at one end of the support rod away from the base, the straight rod is perpendicular to the support rod, vertical rods are fixed at two ends of the straight rod, the vertical rods are perpendicular to the straight rod, a fixed rod is fixed on each vertical rod, two ends of each fixed rod are respectively fixed with the two vertical rods, a handle for pulling the electrician sleeve is further rotatably connected onto each fixed rod, the two handles are symmetrically arranged, a clamping piece for clamping the electrician sleeve is arranged on each fixed rod, a driving piece for driving the handle to rotate is further arranged on one side of the base away from the ground, the two driving pieces are respectively corresponding to the two handles, one end of the driving piece away from the base is hinged with one end of the handle away from the base, when the two handles rotate to the lowest position and are perpendicular to each other, a space is reserved between one end of each handle close to the base and the base.

Through the technical scheme, when needing to bend the electrician's sleeve pipe, at first rotate two handles to the highest position that leaves the base, then it is fixed with the electrician's sleeve pipe through the clamping piece, then the drive driving piece, make two handles rotate towards opposite direction, make the clamping piece bend the electrician's sleeve pipe, when the electrician's sleeve pipe is pulled the bending angle and is 90, then the drive driving piece, make two handles move to highest position towards the direction of keeping away from the base, then extract the electrician's sleeve pipe from the clamping piece, accomplish the automatic bending test to the electrician's sleeve pipe promptly, make need not to pull the electrician's sleeve pipe through the manual work and bend, make the operation process that the electrician's sleeve pipe was pulled the bend more simple and convenient, be favorable to improving the efficiency that detects.

Optionally, the driving piece is a cylinder, one side of the base far away from the ground is sunken to be provided with two sliding chutes for the driving piece to slide, and the sliding chutes are correspondingly arranged on two sides of the supporting rod respectively.

Through above-mentioned technical scheme, when needs pull curved electrician's sleeve pipe, at first drive two cylinders for the piston rod orientation on two cylinders is close to the direction withdrawal of base, makes two handles rotate towards opposite direction, makes two cylinders slide along the spout towards opposite direction, when two handles rotate to the position of minimumly, makes electrician's sleeve pipe be pulled to turn to bending angle and is 90, makes the operation of pulling the electrician's sleeve pipe more convenient, is favorable to the electrician's sleeve pipe to be pulled the bending better.

Optionally, the cylinder is kept away from the one end of base and the one end that the dead lever was kept away from to the handle can be dismantled and is connected, it is connected with the dwang still to rotate on the dead lever, dwang and dead lever mutually perpendicular, dwang and montant are close to one side butt of shaping wheel, the dwang is equipped with two, be equipped with the mounting that is used for fixed dwang on the montant, the one end that the base was kept away from to the dwang still is fixed with the intermediate lever, the both ends of intermediate lever are kept away from the one end of base with two dwangs respectively and are fixed.

Through the technical scheme, when the electrician sleeve pipe is required to be pulled out from the clamping piece, the cylinder is detached from the handle, so that the cylinder can be separated from the handle, then the locking of the fixing piece on the rotating rod is released, the rotating rod and the middle rod can rotate together, two handles can rotate towards the direction of one handle simultaneously, the operation of pulling out the bent electrician sleeve pipe from the clamping piece is more convenient, and the disassembly of the electrician sleeve pipe is facilitated.

Optionally, the handle includes all rotates two spinal branch vaulting poles of being connected with the dead lever both ends respectively, two the one end that the dead lever was kept away from to the bracing piece is equipped with the movable rod, the cylinder includes the cylinder with base sliding connection, with cylinder swing joint's piston rod and with the piston rod keep away from the fixed piston piece of the one end of base, it has the movable orifice that supplies the movable rod to pass, two to open on the piston piece the one end that the dead lever was kept away from to the bracing piece all opens the through-hole that supplies the movable rod to pass, works as when the handle rotates to highest position, the movable rod runs through movable orifice and two through-holes simultaneously, the one end of movable rod is fixed with the fixed block, the one end that the fixed block was kept away from to the movable rod can be dismantled with the handle and be connected, just the length of fixed block is greater than the diameter of through-hole.

Through above-mentioned technical scheme, when needs are dismantled the movable rod from the piston piece, remove the fixed of the one end that the fixed block was kept away from to the movable rod earlier, then extract the movable rod from the other end for the piston piece separates with the movable rod, makes the operation of dismantling the movable rod more simple and convenient.

Optionally, be equipped with on the movable rod and be used for restricting the gliding stopper in piston piece edge movable rod both ends, two the stopper is located the both sides of piston piece respectively, works as when stopper and movable rod are fixed, the both ends of piston piece respectively with two stopper butts, the stopper can be dismantled with the movable rod and be connected.

Through the technical scheme, under the action of the two limiting blocks, the piston block is not easy to slide with the movable rod in the moving process, so that the piston block is not easy to deviate, and the rotating process of the handle is not easy to be influenced.

Optionally, a protruding block protrudes from one side of the limiting block, a groove for the protruding block to be embedded into is formed in the movable rod in a recessed mode, and the protruding block is in interference fit with the groove.

Through above-mentioned technical scheme, when needs are dismantled the movable rod from the piston piece, dismantle two stoppers from the movable rod for the movable rod can separate with the movable rod, is favorable to the dismantlement of movable rod.

Optionally, the mounting is including running through the montant and keeping away from the round hole of base one end, sunken in the dwang and keep away from the positioning screw hole of dead lever one end and run through the positioning bolt of round hole, work as the round hole is just to the positioning screw hole, the dwang is just right with the montant.

Through above-mentioned technical scheme, when two handles need rotate simultaneously, unscrew positioning bolt, then turning handle for the dwang rotates together with the intermediate lever, utilizes threaded connection's self-locking function, makes the stability of being connected between dwang and the montant improve, makes the dwang be difficult to receive two handle pivoted influences.

Optionally, the clamping piece is including being fixed in the shaping wheel on the dead lever and the bending roll who is connected with the handle rotation, the bending roll is located the top of shaping wheel, shaping wheel is just to setting up with the bending roll, shaping wheel and bending roll all are equipped with a plurality ofly, and a plurality of the size of shaping wheel and bending roll is all different.

Through the technical scheme, the automatic bending tester for the electrical casing can be suitable for bending of electrical casings of different sizes, and the application range of the automatic bending tester for the electrical casing is wider.

Optionally, the base was kept away from to the intermediate lever one side runs through there is the regulation hole, one side threaded connection that the intermediate lever is close to the base has the regulating block, the sunken regulation screw hole that has of one end that the base was kept away from to the regulating block, regulation screw hole threaded connection has adjusting bolt, the intermediate lever was kept away from to the regulating block one end just right with the bending roll, the regulating block is equipped with a plurality ofly, and is a plurality of the regulating block all corresponds with not unidimensional shaping wheel.

Through above-mentioned technical scheme, when screwing up adjusting bolt, under the effect of restriction pole for the regulating block moves along vertical direction, makes the interval between regulating block and the shaping wheel adjustable, is favorable to being suitable for the bending of not unidimensional electrician's sleeve pipe.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the setting of driving piece for the handle can be rotated down automatically and be bent to bending angle and be 90 to electrician's sleeve pipe, makes electrician's sleeve pipe be bent the operation of bending more convenient.

2. Through the setting of movable block and movable rod, through extracting the movable block for the dismantlement of movable rod is more convenient.

3. The forming wheels and the bending rollers are arranged to be a plurality of, so that the bending test of the electrical casing pipes with different sizes is facilitated, and the application range of the automatic bending test machine for the electrical casing pipes is wider.

Drawings

Fig. 1 is a schematic view of an overall structure of an automatic bending tester for electrical casing according to the present invention.

Fig. 2 is a schematic view of an internal structure of an automatic bending tester for electrical sleeves according to the present invention.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Fig. 4 is an enlarged schematic view of a portion B in fig. 2.

Description of reference numerals: 1. a base; 11. a chute; 12. a slider; 13. a clamping block; 14. a baffle plate; 2. a strut; 21. a straight rod; 22. a vertical rod; 23. a restraining bar; 24. an intermediate lever; 241. adjusting the bolt; 242. an adjusting block; 3. fixing the rod; 31. rotating the rod; 311. positioning the threaded hole; 32. a fixing member; 321. positioning the bolt; 322. a circular hole; 4. a handle; 41. a support bar; 42. a partition plate; 43. a connecting rod; 44. a movable rod; 441. a fixed block; 442. a limiting block; 443. a bump; 444. a groove; 5. a clamping member; 51. a forming wheel; 52. a bending roll; 6. a drive member; 61. a cylinder body; 62. a piston rod; 63. a piston block.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses automatic bending test machine of electrician's sleeve pipe. Referring to fig. 1 and 2, an automatic bending test machine for an electrical casing comprises a base 1 placed on the ground and a supporting rod 2 fixed on one side of the base 1 far from the ground, wherein the supporting rod 2 is perpendicular to the base 1, a straight rod 21 is fixed on the supporting rod 2, the straight rod 21 is perpendicular to the supporting rod 2, vertical rods 22 are fixed at two ends of the straight rod 21, and a fixing rod 3 is fixed on the vertical rods 22. The fixing rod 3 is further rotatably connected with two handles 4 used for wrenching an electrician sleeve, the two handles 4 are arranged, the fixing rod 3 is further provided with a clamping piece 5 used for clamping the electrician sleeve, the clamping piece 5 comprises a forming wheel 51 fixed with the fixing rod 3 and a bending roller 52 rotatably connected with the handles 4, and the base 1 is further provided with a driving piece 6 used for driving the two handles 4 to rotate. In this embodiment, the driving member 6 is a cylinder, the cylinder is slidably connected to the base 1, and one end of the cylinder away from the base 1 is detachably connected to the handle 4.

Through the arrangement of the two cylinders, the electrical casing is not required to be bent manually, and the bending operation process of the electrical casing is simpler.

Referring to fig. 1 and 2, the base 1 is in a rectangular plate shape, two sliding grooves 11 for sliding of the air cylinder are recessed in the base 1, and the two sliding grooves 11 are respectively located on two sides of the supporting rod 2. The cylinder is close to the one end of base 1 and is fixed with slider 12, and slider 12's both ends have all outstanding fixture block 13, and 11 open-ended both sides of spout are outstanding to have baffle 14, and 11 diapire's of spout one side and the one side butt that baffle 14 is close to 11 diapalls of spout are kept away from to fixture block 13.

Referring to fig. 1 and 2, the supporting rod 2 is located at the center of the base 1, the fixing rod 3 is further rotatably connected with a rotating rod 31, the rotating rod 31 is perpendicular to the fixing rod 3, an intermediate rod 24 is fixed at one end of the rotating rod 31 far away from the base 1, and two ends of the intermediate rod 24 are respectively fixed with the two rotating rods 31. The utility model discloses a set up the regulation hole, the one side that base 1 was kept away from to intermediate lever 24 runs through there is the regulation hole, one side threaded connection that intermediate lever 24 is close to base 1 has regulating block 242, the one end that base 1 was kept away from to regulating block 242 is sunken to have the regulation screw hole, still is fixed with on dwang 31 to be used for restricting regulating block 242 pivoted regulating block 23, the both ends of regulating block 23 are fixed with two dwang 31 respectively, and regulating block 23 is parallel to each other with intermediate lever 24.

Referring to fig. 1 and 2, the fixing rod 3 is located at the middle position of the vertical rod 22 along the length direction, two ends of the fixing rod 3 are respectively fixed to the two vertical rods 22, the outer surfaces of the forming wheels 51 and the bending rollers 52 are both provided with a concave circular groove, the axis of each forming wheel 51 is perpendicular to the straight rod 21, in the embodiment, the number of the forming wheels 51 is three, the diameters of the three forming wheels 51 are different, and the three forming wheels 51 are uniformly distributed along the length direction of the fixing rod 3.

Referring to fig. 1 and 2, one end of the adjusting block 242 away from the middle rod 24 is a curved surface, and one end of the adjusting block 242 away from the middle rod 24 is opposite to the curved roller 52, in this embodiment, three adjusting blocks 242 are provided, the sizes of the three adjusting blocks 242 are different, and the three adjusting blocks 242 are all arranged corresponding to the forming wheels 51 with different sizes. The three bending rollers 52 are provided corresponding to the three adjusting blocks 242, respectively.

Referring to fig. 1 and 2, the handle 4 includes two support rods 41 rotatably connected to two ends of the fixing rod 3, the movable rod 44 is detachably connected to one end of each support rod 41 away from the fixing rod 3, the fixing rod 3 is further rotatably connected to a partition plate 42, the partition plates 42 are provided with two, the two partition plates 42 are respectively located between the adjacent forming wheels 51, a connecting rod 43 is fixed to one end of each partition plate 42 away from the base 1, and two ends of each connecting rod 43 are respectively fixed to the two support rods 41. The partition plates 42 are further fixed with two short rods, the two partition plates 42 are arranged, two ends of each short rod are respectively fixed with the two partition plates 42, and the bending rollers 52 penetrate through the short rods and are rotatably connected with the short rods.

Referring to fig. 2 and 3, the rotating rod 31 is located between the supporting rod 41 and the vertical rod 22, the vertical rod 22 is further provided with a fixing member 32 for fixing the rotating rod 31, in this embodiment, the fixing member 32 includes a circular hole 322 penetrating through the outer side wall of the vertical rod 22 far away from the one end of the base 1, a positioning threaded hole 311 recessed in the rotating rod 31 far away from one end of the fixing rod 3, and a positioning bolt 321 penetrating through the circular hole 322, when the circular hole 322 is right opposite to the positioning threaded hole 311, the rotating rod 31 is right opposite to the vertical rod 22, and the positioning bolt 321 penetrates through the circular hole 322 and is in threaded connection with the positioning threaded hole 311.

Referring to fig. 2 and 4, the cylinder includes a cylinder body 61 fixed to the sliding block 12, a piston rod 62 movably connected to the cylinder body 61, and a piston block 63 fixed to an end of the piston rod 62 away from the base 1, the piston block 63 is provided with a movable hole for the movable rod 44 to pass through, one end of the movable rod 44 is fixed to a fixed block 441, the fixed block 441 is a cylindrical block, an end of the support rod 41 away from the base 1 is provided with a through hole for the movable rod 44 to pass through, and an outer diameter of the fixed block 441 is larger than a diameter of the through hole. When the two handles 4 are located at the highest position, the movable rod 44 penetrates through the two through holes and the movable hole at the same time.

Referring to fig. 2 and 4, the movable lever 44 is further fixed with two stoppers 442 for limiting the sliding of the piston block 63 along the length direction of the fixed lever 3, the two stoppers 442 are respectively located at two sides of the piston block 63, a protrusion 443 protrudes from the stoppers 442, a groove 444 for inserting the protrusion 443 is recessed in the fixed lever 3, and the protrusion 443 is in interference fit with the groove 444.

The implementation principle of the automatic bending tester for the electrical casing pipe in the embodiment is as follows: when an electrician sleeve needs to be bent, firstly, two air cylinders are driven to enable two handles 4 to rotate towards a direction far away from a base 1, when the two handles 4 rotate to the highest position, then the electrician sleeve is inserted between a forming wheel 51 and a bending roller 52, then the air cylinders are driven to enable the two handles 4 to rotate from top to bottom until the bending angle of the electrician sleeve is 90 degrees, then the air cylinders are driven to enable the two handles 4 to move towards a direction far away from the base 1, then the two limit blocks 442 are pulled out from the movable hole, then the movable rod 44 is pulled out from the movable hole and the through hole to enable the movable rod 44 to be separated from the piston block 63, then the air cylinders are driven to enable the two handles 4 to retract towards the base 1, then the positioning bolts 321 are pulled out, then one handle 4 is held to rotate towards the other handle 4, so that the electrician sleeve can be more easily pulled out from a position between the forming wheel 51 and the bending roller 52, and completing the bending test of the electrical casing.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. The utility model provides an automatic bending test machine of electrician's sleeve pipe, is including placing in base (1) on ground and keeping away from branch (2) that one side on ground is fixed with base (1), its characterized in that: the one end that base (1) was kept away from to branch (2) is fixed with straight-bar (21), straight-bar (21) and branch (2) mutually perpendicular, the both ends of straight-bar (21) all are fixed with montant (22), montant (22) and straight-bar (21) mutually perpendicular, be fixed with dead lever (3) on montant (22), the both ends of dead lever (3) are fixed with two montants (22) respectively, still rotate on dead lever (3) and be connected with handle (4) that are used for wrenching electrician's sheathed tube, handle (4) are equipped with two, and two handle (4) symmetry sets up, be equipped with on dead lever (3) and be used for pressing from both sides the sheathed tube clamping piece (5) of electrician, one side that ground was kept away from to base (1) still is equipped with and is used for driving handle (4) pivoted driving piece (6), driving piece (6) are equipped with two, and two driving piece (6) correspond respectively with two handles (4), the one end that base (1) was kept away from in driving piece (6) is articulated with the one end that base (1) was kept away from in handle (4), and when two handle (4) rotated to the lowest position and mutually perpendicular, the interval was left between the one end that handle (4) was close to base (1) and base (1).

2. The electrical casing automatic bending tester of claim 1, wherein: driving piece (6) are the cylinder, base (1) is kept away from one side on ground and is sunken to have and supply gliding spout (11) of driving piece (6), spout (11) correspond and are equipped with two, and two spout (11) are located the both sides of branch (2) respectively.

3. The electrical casing automatic bending tester of claim 2, wherein: the cylinder is kept away from the one end of base (1) and is kept away from the one end of dead lever (3) with handle (4) and can dismantle the connection, it is connected with dwang (31) still to rotate on dead lever (3), dwang (31) and dead lever (3) mutually perpendicular, dwang (31) and montant (22) are close to one side butt of shaping wheel (51), dwang (31) are equipped with two, be equipped with mounting (32) that are used for fixed dwang (31) on montant (22), the one end that base (1) were kept away from in dwang (31) still is fixed with intermediate lever (24), the both ends of intermediate lever (24) are fixed with the one end that base (1) was kept away from in two dwang (31) respectively.

4. The electrical casing automatic bending tester of claim 3, wherein: the handle (4) comprises two support rods (41) which are respectively rotatably connected with two ends of the fixed rod (3), a movable rod (44) is arranged at one end, far away from the fixed rod (3), of each support rod (41), each air cylinder comprises a cylinder barrel which is slidably connected with the base (1), a piston rod (62) which is movably connected with the cylinder barrel and a piston block (63) which is fixed at one end, far away from the base (1), of the piston rod (62), a movable hole for the movable rod (44) to pass through is formed in the piston block (63), through holes for the movable rod (44) to pass through are formed in one ends, far away from the fixed rod (3), of the two support rods (41), when the handle (4) rotates to the highest position, the movable rod (44) simultaneously penetrates through the movable hole and the two through holes, a fixed block (441) is fixed at one end of the movable rod (44), one end, far away from the fixed block (441), of the movable rod (44) is detachable with the handle (4), and the length of the fixing block (441) is greater than the diameter of the through hole.

5. The electrical casing automatic bending tester of claim 4, wherein: be equipped with on activity pole (44) and be used for restricting piston piece (63) along gliding stopper (442) in activity pole (44) both ends, two stopper (442) are located the both sides of piston piece (63) respectively, work as when stopper (442) are fixed with activity pole (44), the both ends of piston piece (63) respectively with two stopper (442) butt, stopper (442) can be dismantled with activity pole (44) and be connected.

6. The electrical casing automatic bending tester of claim 5, wherein: a protruding block (443) protrudes from one side of the limiting block (442), a groove (444) for the protruding block (443) to be embedded into is recessed in the movable rod (44), and the protruding block (443) is in interference fit with the groove (444).

7. The electrical casing automatic bending tester of claim 3, wherein: mounting (32) are including running through round hole (322) that base (1) one end was kept away from in montant (22), sunken location screw hole (311) of keeping away from dead lever (3) one end in dwang (31) and positioning bolt (321) that run through round hole (322), work as round hole (322) are just to the time with location screw hole (311), dwang (31) are just to montant (22).

8. The electrical casing automatic bending tester of claim 3, wherein: clamping piece (5) are including being fixed in shaping wheel (51) on dead lever (3) and with handle (4) rotation connection's bending roll (52), bending roll (52) are located the top of shaping wheel (51), shaping wheel (51) are just to setting up with bending roll (52), shaping wheel (51) and bending roll (52) all are equipped with a plurality ofly, and a plurality of the size of shaping wheel (51) and bending roll (52) all is different.

9. The electrical casing automatic bending tester of claim 8, wherein: the utility model discloses a mould, including the setting wheel (51), the setting wheel has a set of adjusting holes, the one side that base (1) was kept away from in intermediate lever (24) runs through there is the adjusting hole, one side threaded connection that intermediate lever (24) is close to base (1) has regulating block (242), the one end that base (1) was kept away from in regulating block (242) is sunken to have adjusting screw hole, adjusting screw hole threaded connection has adjusting bolt (241), the one end that intermediate lever (24) were kept away from in regulating block (242) is just right with bending roll (52), regulating block (242) are equipped with a plurality ofly, and a plurality of regulating block (242) all correspond with unidimensional shaping wheel (51).

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