CN217551714U - Bolt stretcher and large-scale nut screwing and carrying device - Google Patents
Bolt stretcher and large-scale nut screwing and carrying device Download PDFInfo
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- CN217551714U CN217551714U CN202221032369.7U CN202221032369U CN217551714U CN 217551714 U CN217551714 U CN 217551714U CN 202221032369 U CN202221032369 U CN 202221032369U CN 217551714 U CN217551714 U CN 217551714U
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Abstract
The utility model relates to a multi-functional manipulator field specifically discloses a bolt stretcher and large-scale nut revolve revolves twist handling device. The device includes: a support bar; a rotating arm of force capable of performing a rotational motion; the guide rotating arm of force can swing; the worm gear lifting mechanism is suspended on the guide rotating force arm through a suspension bracket; the pneumatic motor drives the worm and gear lifting mechanism; the natural lifting mechanism is arranged at the lower end of the worm gear lifting mechanism; the two sides of the bearing end cover are symmetrically arranged at the upper end and the lower end of the third connecting sheet; the stepped shaft is connected with the third connecting piece; and the clamping manipulator is fixedly connected with the lower end of the stepped shaft and is used for clamping the bolt stretcher and the large nut. The utility model discloses the structure is firm, the flexible operation, and is simple and convenient easy-to-use, safe and reliable, outward appearance are pleasing to the eye, collect the clamp to get, revolve wrong and transport function in an organic whole, and stroke range is wide, but greatly reduced enterprise's the labour cost and operation personnel's intensity of labour improve work efficiency, guarantee operation personnel's personal safety.
Description
Technical Field
The utility model relates to a multifunctional mechanical hand field especially relates to the pneumatic supplementary manipulator field of semi-automatization when chemical industry overhauls.
Background
The chemical production process has a plurality of dangerous factors such as high temperature, high pressure, huge equipment, inflammability and explosiveness, and particularly the danger coefficient is further improved in the equipment maintenance process, so that tools with high dangerousness such as fire, electricity and the like are avoided as much as possible in the maintenance process. The sealing cover of the high-voltage equipment is thicker and heavier, the fastening nut used on the high-voltage equipment is increased, and the conventional tools cannot meet the requirement of dismounting the large nut.
With the continuous development of society and the continuous improvement of technological level, a special tool, namely a bolt hydraulic stretcher, is also provided for the disassembly and assembly of the large-sized nut at present, the bolt hydraulic stretcher is called a bolt stretcher for short, the stretching force is determined according to the tensile strength, the yield coefficient and the elongation rate of materials by virtue of a hydraulic source provided by a hydraulic booster pump (an ultrahigh pressure oil pump), the bolt with force applied is stretched in an elastic deformation area by utilizing the stretching force generated by the ultrahigh pressure oil pump, the diameter of the bolt is slightly deformed, so that the nut is easy to loosen, and the disassembly and assembly of the large-sized nut are further carried out.
With the continuous popularization of the bolt hydraulic stretching device, a new problem is generated, due to the fact that the bolt stretching device is large in mass and large in quantity of large nuts, in the actual operation process, the bolt stretching device and the large nuts are large in disassembling and carrying times, operators are overworked, a large labor force needs to be equipped to complete the series of processes, the increase of the operators means further increase of dangerousness, and the defects of high labor cost, large danger coefficient and the like exist in the use of the tool.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in providing a can realize revolving soon, pressing from both sides and get and carry the multi-functional device of action to bolt elongator and large-scale nut, this device is driven by the air supply, and is easy and simple to handle, aims at reducing the labour cost of enterprise and operation personnel's intensity of labour, improves work efficiency, ensures operation personnel's personal safety.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a bolt tensioner and large nut screwing handling device comprises:
a support bar for supporting the entire apparatus;
the head and the tail of the rotating force arm are provided with sleeves, and the sleeves at the tail of the rotating force arm are concentrically matched with the cylindrical pins to be connected with the supporting rod, so that the rotating force arm can rotate around the supporting rod;
the tail end of the guiding rotary force arm is provided with two concentric sleeves, and the guiding rotary force arm can swing around the sleeve at the head of the rotary force arm through the matching of a third cylindrical pin and the sleeve at the head of the rotary force arm;
the worm gear lifting mechanism is connected with the suspension bracket and is suspended on the guide rotating force arm through the suspension bracket;
the pneumatic motor is matched with the worm and gear lifting mechanism through a pneumatic motor bracket and a coupler and drives a lead screw of the worm and gear lifting mechanism to realize lifting movement;
the natural lifting mechanism comprises three connecting pieces and three guide rods, and is arranged at the lower end of the worm gear lifting mechanism, the three connecting pieces are provided with through holes for the three guide rods to pass through so as to fix the three guide rods, the middle position of a first connecting piece is also provided with a through hole with the diameter larger than that of the lead screw for the lead screw to pass through, the diameter of the through hole for the three guide rods to pass through of a second connecting piece is larger than that of the three guide rods, the second connecting piece is fixed on the lead screw connecting piece at the lower end of the lead screw, and a third connecting piece is provided with a symmetrical cavity and is arranged at the lowest end of the natural lifting mechanism;
the two sides of the bearing end cover are symmetrically arranged at the upper end and the lower end of the third connecting sheet;
the stepped shaft is symmetrically provided with two tapered roller bearings, the two tapered roller bearings are arranged in a cavity symmetrical to the third connecting piece, and the bearing end covers are buckled at the upper end and the lower end of the third connecting piece so as to connect the stepped shaft with the third connecting piece;
and the clamping manipulator is fixedly connected with the lower end of the stepped shaft and is used for clamping the bolt stretcher and the large nut.
In some embodiments, the tail part of the rotating force arm is provided with two sleeves, and the cylindrical pin comprises a first cylindrical pin and a second cylindrical pin; the sleeve at the upper end of the tail part of the rotating force arm is concentrically matched and connected with the upper end of the supporting rod together with the first cylindrical pin; the sleeve at the lower end of the tail part of the rotating force arm is arranged at the tail end of the triangular support at the tail part of the rotating force arm and is concentrically matched with the supporting sheet on the side surface of the supporting rod through the second cylindrical pin.
In some embodiments, the guided rotation moment arm comprises: channel steel and angle iron; the angle iron is arranged above the channel steel and forms a triangular shape with the channel steel, and the angle iron is used for reinforcing the stability of the guiding rotation force arm; the channel steel is provided with a strip-shaped rectangular through hole and two symmetrically upward grooves; the utility model discloses a steel channel suspension bracket, including suspension bracket, recess, worm gear elevating system, wherein suspension bracket upper end is provided with four archs that have the through-hole, the arch is used for assembling the trundle, the trundle with recess on the channel-section steel cooperatees, the suspension bracket lower extreme is connected worm gear elevating system, wherein worm gear elevating system's lead screw passes rectangular rectangle through-hole of channel-section steel.
In some embodiments, the stepped shaft is symmetrically provided with the two tapered roller bearings on both sides of a shaft shoulder of the stepped shaft, and the tapered roller bearings are in interference fit with a cavity of the third connecting piece; and bearing end covers at the lower end of the third connecting piece are attached to the tapered roller bearing, a gap is reserved between the bearing end cover at the upper end of the third connecting piece and the tapered roller bearing, a sealed cavity is formed between the two bearing end covers and the inside of the third connecting piece, and lubricating grease is arranged in the sealed cavity to carry out grease lubrication on the tapered roller bearing.
In some embodiments, the stepped shaft has a key slot and an external thread at a lower end thereof; the clamping robot includes: manipulator leading truck and mechanical gripper, the leading truck includes: the manipulator comprises an upper frame body, a lower frame body, two manipulator guide rods and a reverse lead screw, wherein one end of the reverse lead screw is provided with a hand wheel; a through hole and a key groove are longitudinally formed in the middle of the upper frame body, the lower end of the stepped shaft directly penetrates through the through hole of the upper frame body and is connected with the through hole in a key mode, and a nut is screwed on an external thread at the lower end of the stepped shaft below the upper frame body; the lower frame body is fixedly connected with the upper frame body; the two manipulator guide rods and the reverse lead screw are arranged in the lower frame body; the manipulator is characterized in that two smooth through holes are formed in the upper end of the manipulator claw and matched with the manipulator guide rod, a threaded hole is formed in the upper end of the manipulator claw and matched with the reverse lead screw, and the hand wheel drives the reverse lead screw to rotate, so that the manipulator claws move in the opposite direction or move in the opposite direction.
In some embodiments, the reverse lead screw is retained by a reverse lead screw retaining cap.
In some embodiments, the mechanical claw is hollow and long, and the inner surface of the mechanical claw is made of rubber, so as to enhance the friction between the mechanical claw and the bolt tensioner and the large nut.
In some embodiments, the lower end of the mechanical gripper is provided with a rotary supporting sheet to hold a bolt tensioner and a large nut.
The utility model discloses the structure is firm, and the flexible operation is simple and convenient easy-to-use, and safe and reliable, outward appearance are pleasing to the eye, collect the clamp to get, revolve wrong and transport function in an organic whole, and stroke range is wide, but the labour cost of greatly reduced enterprise and operation personnel's intensity of labour improve work efficiency, guarantee operation personnel's personal safety.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is the structural schematic diagram of the worm and gear lifting mechanism of the present invention.
Fig. 3 is a schematic structural view of the natural landing gear of the present invention.
Fig. 4 is a structural diagram of the clamping manipulator of the present invention.
Description of the symbols: 10 supporting rods; 11 a first cylindrical pin; 12 a second cylindrical pin; 13 a third cylindrical pin; 14 rotating force arm; 15 guiding a rotary force arm; 16 bolt stretchers; 21 a pneumatic motor support; 22 a suspension bracket; 23 worm and gear lifting mechanisms; 24 a pneumatic motor; 25 leading screws; 26 rollers; 27 a coupler; 32 a first connecting piece; 33 a second connecting piece; 34 a third connecting sheet; 35 lead screw connecting block; 36 a guide bar; 40 mechanical gripper; 41 a stepped shaft; 42 bearing end caps; 43 tapered roller bearings; 44, mounting the frame body; 45, lower frame body; 46 reverse lead screw; 47 manipulator guide rods; 48 hand wheels; 49 rotating the supporting sheet; 50 round nuts; 51 reverse lead screw fixing cover; a 52 key.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The drawings and the detailed description do not limit the scope of the invention.
The present embodiment provides a bolt tensioner and a large nut screwing and carrying device, which are structurally shown in fig. 1 to 4, and include:
the supporting rod 10 is fixed on the working platform, is used for supporting the whole device and is in a step shape;
the tail end of the rotating arm 14 is provided with two sleeves, and the rotating arm can be matched with the support rod 10 through a first cylindrical pin 11 and a second cylindrical pin 12 and can rotate;
the tail end of the guiding rotary arm 15 is provided with two concentric sleeves, the device can swing within a certain range by matching a third cylindrical pin 13 with the sleeve at the head of the rotary arm 14, the lower end of the arm is provided with a rectangular through hole, and the lower part of the arm has a guiding function along the direction of the arm;
the worm and gear lifting mechanism 23 is suspended on the guide rotating force arm 15 through a suspension bracket 22 with four rollers, and the structure can realize lifting movement within a certain range;
the pneumatic motor 24 is matched with the worm and gear lifting mechanism 23 through a pneumatic motor bracket 21 and a coupler 27;
the natural lifting mechanism comprises three different connecting pieces 32, 33 and 34 and three guide rods 36, and is arranged at the lower end of the worm and gear lifting mechanism 23, wherein the first connecting piece 32 is provided with regular through holes to be matched with the three guide rods 36, the second connecting piece 33 is approximately the same as the first connecting piece 32 in shape and is fixed on a screw rod connecting block 35 at the lower end of the worm and gear, and the third connecting piece 34 is provided with a regular and symmetrical cavity and is arranged at the lowest end of the natural lifting mechanism;
bearing end covers 42 symmetrically arranged on the third connecting sheets 34 on both sides;
the stepped shaft 41 is used for connecting a power source and a clamping manipulator at the lower end of the power source, and two tapered roller bearings 43 are symmetrically arranged on the stepped shaft and matched with the third connecting piece 34;
press from both sides tight manipulator, including manipulator leading truck and mechanical gripper 40, the manipulator leading truck includes: the bolt tensioning device comprises an upper frame body 44, a lower frame body 45, two guide rods 47 and a reverse lead screw 46, wherein one end of the reverse lead screw 46 is provided with a hand wheel 48 and is provided with a locking structure, and the lower end of a mechanical claw 40 is provided with a rotary supporting sheet 49 so as to drag a bolt tensioner and a nut.
More specifically, as shown in fig. 1 to 4, the first cylindrical pin 11 is a hollow cylinder with an external thread, a sealing cover is provided at the upper end, the rotating arm 14 is concentrically fitted with the first cylindrical pin 11 through a cylindrical sleeve at the tail end thereof, and a round nut with an internal thread is concentrically fitted with the first cylindrical pin 11 and closely attached to the upper portion of the cylindrical sleeve at the tail end of the rotating arm 14. The second cylindrical pin 12 is hollow cylindrical, and has a sealing cover at one end and an internal thread at the other end. The side supporting sheet of the supporting rod 10 is provided with a through circular through hole which is concentrically matched with the lower end of the tail end through hole of the tail end triangular bracket of the rotating force arm 14, the upper end of the tail end through hole of the tail end triangular bracket of the rotating force arm 14 is provided with a second cylindrical pin 12, and the lower end of the second cylindrical pin 12 is provided with a second cylindrical pin cover. The third cylindrical pin 13 is hollow cylindrical, one end of which is provided with a sealing cover and the other end of which is provided with internal threads.
Rotatory arm of force of direction 15 is made by improvement channel-section steel and a great deal of angle bar, and the angle bar sets up and constitutes three horn shapes with the channel-section steel in the channel-section steel top, and aim at strengthens the steadiness of the rotatory arm of force of direction 15, makes it more firm, is provided with two concentric cylinder sleeves at the tail end of angle bar and channel-section steel, and two concentric cylinder sleeves cooperate with the concentric of the 14 head sleeves of the rotatory arm of force, are connected by third cylinder round pin 13 and third cylinder round pin lid, and the channel-section steel upper end is provided with rectangular rectangle through-hole, and the lower extreme is provided with the ascending recess of two symmetries.
The air motor support 21 has four corner through holes identical to those of the suspension support 22 and also has corresponding through holes for fixing the air motor 24, the air motor support 21 is disposed at the lower end of the worm gear lifting mechanism 23, and the air motor support 21, the worm gear lifting mechanism 23 and the air motor 24 are fixed by bolts and nuts. The coupling 27 is arranged between the output shaft of the pneumatic motor 24 and the transmission shaft of the worm and gear lifting mechanism 23 and used for transmitting power.
The first connecting piece 32 is roughly triangular, through holes penetrating through the three corners of the first connecting piece are used for fixing the three guide rods 36, the through hole with the diameter larger than that of the lead screw 25 penetrates through the middle position of the first connecting piece 32, the second connecting piece 33 is roughly the same as the first connecting piece 32 in shape, but the diameter of the through hole penetrating through the three corners of the first connecting piece is slightly larger than that of the three guide rods 36, the position can be moved smoothly, four through holes with the same position as that of a lead screw connecting block 35 at the lower end of the lead screw of the worm gear lifting mechanism 23 penetrate through the second connecting piece 33, the purpose is to enable the second connecting piece 33 and the lead screw connecting block 35 to be fixed through bolts and nuts, a cylindrical cavity which is symmetrically arranged is arranged in the third connecting piece 34, the through holes with the same three corners as the first connecting piece 32 are arranged in the third connecting piece, and the through holes are fixed at the lowest end of the natural lifting mechanism 23.
The upper end of the stepped shaft 41 is provided with a hexagonal joint matched with the head of the screwing wrench plate, the lower end of the stepped shaft is provided with a key groove and an external thread, a pair of tapered roller bearings 43 are symmetrically arranged on two sides of the shaft shoulder of the stepped shaft 41, and the tapered roller bearings 43 are in interference fit with the cylindrical cavity of the third connecting piece 34. The bearing end covers 42 are arranged on the upper end face and the lower end face of the third connecting piece 34 and fixed through hexagon socket head cap bolts, the bearing end cover 42 on the lower end face of the third connecting piece 34 is attached to the tapered roller bearing 43, a small gap is reserved between the bearing end cover 42 on the upper end face of the third connecting piece 34 and the tapered roller bearing 43, a closed sealed cavity is formed between the two bearing end covers 42 and the inside of the third connecting piece 34, and grease is injected into the cavity to lubricate the tapered roller bearing 43.
The middle position of the upper frame body 44 of the guide frame is longitudinally provided with a large through hole and a key groove, the lower end of the stepped shaft 41 directly penetrates through the longitudinal through hole of the upper frame body 44 and is connected by a key 52, the lower part of the upper frame body 44 is screwed on the external thread at the lower end of the stepped shaft 41 by using a round nut 50, two ends of the upper frame body 44 are respectively provided with a through hole, the lower frame body 45 is provided with a through hole connected with the upper frame body 44 and is connected by using a bolt and a nut, two manipulator guide rods 47 and a reverse lead screw 46 are arranged in the lower frame body 45, the reverse lead screw 46 is axially limited by a reverse lead screw fixing cover 51, and one end of the reverse lead screw 46 is connected with a hand wheel 48. The mechanical gripper 40 is in a hollow strip shape, the inner surface of the mechanical gripper is made of rubber materials, friction force between the mechanical gripper 40 and the bolt stretcher 16 and between the mechanical gripper 40 and the large nut can be greatly enhanced under the condition of certain clamping force, two smooth through holes are arranged at the upper end of the mechanical gripper 40 and matched with a manipulator guide rod 47 in the lower frame body 45, a threaded hole is arranged at the upper end of the mechanical gripper 40 and matched with a reverse lead screw 46 in the lower frame body 45, the reverse lead screw 46 can enable the mechanical gripper 40 to move in the opposite direction or move in the opposite direction, and a rotary supporting sheet 49 is arranged at the lower end of the mechanical gripper 40 and can drag the bolt stretcher and the nut.
This embodiment includes the step when specifically dismantling the nut:
(1) Fixing the support frame 10 on the working platform, dragging the mechanical gripper 40 to the position above the bolt stretcher 16, wherein the rotating force arm 14 rotates along with the support frame 10, the guiding rotating force arm 15 rotates along with the rotating force arm 14, and the suspension support 22 and the parts thereon move linearly along the guiding rotating force arm 15;
(2) Moving the gripper 40 downwards around the bolt tensioner 16, during which the pneumatic motor 24 turns, power is transmitted to the worm gear lifting mechanism 23 via the coupling 27, and the lead screw 25 descends to lower the clamping gripper;
(3) The hand wheel 48 is rotated, under the action of the reverse lead screw 46, the two mechanical claws 40 move oppositely until clamping the bolt stretcher 16, the locking end of the rotary supporting sheet 49 is pressed down to drag the bolt stretcher 16, and the mechanical claws 40 are firmly fixed with the bolt stretcher 16;
(4) The equipment is controlled to move the bolt tensioner 16 to the upper end of the bolt to match the thread with the bolt, during the period, the rotating force arm 14 rotates along with the support frame 10, the guiding rotating force arm 15 rotates along with the rotating force arm 14, and the suspension bracket 22 and the parts thereon perform linear motion along the guiding rotating force arm 15;
(5) Controlling the pneumatic motor 24 to enable the second connecting piece 33 to move downwards continuously until the distance between the lead screw connecting block 35 and the hexagonal joint on the lower stepped shaft 41 is about 20 cm, and screwing the hexagonal joint on the stepped shaft 41 by using a pneumatic wrench until the bolt tensioner 16 is screwed to the bottom of the bolt platform to stop moving;
(6) The bolt stretcher 16 utilizes the stretching force generated by the ultrahigh-pressure oil pump by means of a hydraulic source provided by a hydraulic booster pump (ultrahigh-pressure oil pump) to stretch the bolt with force in an elastic deformation area, and the diameter of the bolt is slightly deformed, so that the nut is loosened;
(7) Screwing the hexagonal joint on the stepped shaft 41 by using a pneumatic wrench until the bottom of the bolt tensioner 16 is separated from the upper end of the bolt, and naturally moving the third connecting sheet 34 upwards under stress during the screwing action;
(8) Moving the bolt tensioner 16 to the other bolt root, i.e. repeating the actions (4) (5);
(9) The opening end of the rotary supporting sheet 49 is loosened by pressing down, and the clamping force of the clamping mechanical arm on the bolt tensioner is released;
(10) The device is used for repeatedly taking out the large nuts by the actions of (1), (2), (3) and (7), wherein the action object is changed into the large nuts by the bolt stretcher 16;
(11) After the large-sized nut is moved to a designated position by controlling the device, the loosening end of the rotary supporting sheet 49 is pressed down, and the clamping force of the clamping manipulator on the large-sized nut is relieved, namely the whole process of nut dismounting is completed.
The utility model has the advantages that: the structure is firm, the flexible operation, it is simple and convenient easy-to-use, safe and reliable, outward appearance are pleasing to the eye, collect to press from both sides, revolve to twist and transport function in an organic whole, and the stroke range is wide, but greatly reduced enterprise's the labour cost and operation personnel's intensity of labour improve work efficiency, guarantee operation personnel's personal safety.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or the change made by the person skilled in the art on the basis of the present invention are all within the protection scope of the present invention.
Claims (8)
1. The utility model provides a bolt stretcher and large-scale nut revolve and twist handling device which characterized in that includes:
a support bar for supporting the entire apparatus;
the head and the tail of the rotating force arm are provided with sleeves, and the sleeves at the tail of the rotating force arm are concentrically matched with the cylindrical pins to be connected with the supporting rod, so that the rotating force arm can rotate around the supporting rod;
the tail end of the guiding rotary force arm is provided with two concentric sleeves, and the guiding rotary force arm can swing around the sleeve at the head of the rotary force arm through the matching of a third cylindrical pin and the sleeve at the head of the rotary force arm;
the worm gear lifting mechanism is connected with the suspension bracket and is suspended on the guide rotating force arm through the suspension bracket;
the pneumatic motor is matched with the worm and gear lifting mechanism through a pneumatic motor bracket and a coupler and drives a lead screw of the worm and gear lifting mechanism to realize lifting movement;
the natural lifting mechanism comprises three connecting pieces and three guide rods, and is arranged at the lower end of the worm gear lifting mechanism, the three connecting pieces are provided with through holes for the three guide rods to pass through so as to fix the three guide rods, the middle position of a first connecting piece is also provided with a through hole with the diameter larger than that of the lead screw for the lead screw to pass through, the diameter of the through hole for the three guide rods to pass through of a second connecting piece is larger than that of the three guide rods, the second connecting piece is fixed on the lead screw connecting piece at the lower end of the lead screw, and a third connecting piece is provided with a symmetrical cavity and is arranged at the lowest end of the natural lifting mechanism;
the two sides of the bearing end cover are symmetrically arranged at the upper end and the lower end of the third connecting sheet;
the stepped shaft is symmetrically provided with two tapered roller bearings, the two tapered roller bearings are arranged in a cavity symmetrical to the third connecting piece, and the bearing end covers are buckled at the upper end and the lower end of the third connecting piece so as to connect the stepped shaft with the third connecting piece;
and the clamping manipulator is fixedly connected with the lower end of the stepped shaft and is used for clamping the bolt stretcher and the large nut.
2. A bolt tensioner and large nut turning handling device as set forth in claim 1,
two sleeves are arranged at the tail part of the rotating force arm, and the cylindrical pin comprises a first cylindrical pin and a second cylindrical pin;
the sleeve at the upper end of the tail part of the rotating force arm is concentrically matched and connected with the upper end of the supporting rod together with the first cylindrical pin;
the sleeve at the lower end of the tail part of the rotating force arm is arranged at the tail end of the triangular support at the tail part of the rotating force arm and is concentrically matched with the supporting sheet on the side surface of the supporting rod through the second cylindrical pin.
3. A bolt tensioner and large nut turning handling device as set forth in claim 1 wherein said guided rotation arm comprises: channel steel and angle iron;
the angle iron is arranged above the channel steel and forms a triangular shape with the channel steel, and the angle iron is used for reinforcing the stability of the guiding rotation force arm;
the channel steel is provided with a strip-shaped rectangular through hole and two symmetrically upward grooves;
the utility model discloses a steel channel suspension bracket, including suspension bracket, recess, worm gear elevating system, wherein suspension bracket upper end is provided with four archs that have the through-hole, the arch is used for assembling the trundle, the trundle with recess on the channel-section steel cooperatees, the suspension bracket lower extreme is connected worm gear elevating system, wherein worm gear elevating system's lead screw passes rectangular rectangle through-hole of channel-section steel.
4. The bolt stretcher and large nut screwing handling device as claimed in claim 1, wherein the stepped shaft is symmetrically provided with two tapered roller bearings on both sides of the shaft shoulder of the stepped shaft, and the tapered roller bearings are in interference fit with the cavity of the third connecting piece;
and bearing end covers at the lower end of the third connecting piece are attached to the tapered roller bearing, a gap is reserved between the bearing end cover at the upper end of the third connecting piece and the tapered roller bearing, a sealed cavity is formed between the two bearing end covers and the inside of the third connecting piece, and lubricating grease is arranged in the sealed cavity to carry out grease lubrication on the tapered roller bearing.
5. The bolt tensioner and large nut-turning handling device as claimed in claim 1, 2, 3 or 4, wherein the stepped shaft has a keyway and an external thread at its lower end;
the clamping robot includes: manipulator leading truck and mechanical gripper, the leading truck includes: the manipulator comprises an upper frame body, a lower frame body, two manipulator guide rods and a reverse lead screw, wherein a hand wheel is arranged at one end of the reverse lead screw;
a through hole and a key groove are longitudinally formed in the middle of the upper frame body, the lower end of the stepped shaft directly penetrates through the through hole of the upper frame body to be connected through keys, and a nut is screwed on an external thread at the lower end of the stepped shaft below the upper frame body;
the lower frame body is fixedly connected with the upper frame body;
the two manipulator guide rods and the reverse lead screw are arranged in the lower frame body;
the manipulator is characterized in that two smooth through holes are formed in the upper end of the manipulator claw and matched with the manipulator guide rod, a threaded hole is formed in the upper end of the manipulator claw and matched with the reverse lead screw, and the hand wheel drives the reverse lead screw to rotate, so that the manipulator claws move in the opposite direction or move in the opposite direction.
6. A bolt tensioner and large nut turning handling device as set forth in claim 5,
the reverse lead screw is limited by a reverse lead screw fixing cover.
7. A bolt tensioner and large nut turning handling device as set forth in claim 5,
the mechanical claw is in a hollow strip shape, the inner surface of the mechanical claw is made of rubber, and the mechanical claw is used for enhancing the friction force between the mechanical claw and the bolt stretcher and between the mechanical claw and the large nut.
8. A bolt tensioner and large nut turning handling device as set forth in claim 5,
and a rotary supporting sheet is arranged at the lower end of the mechanical gripper to drag the bolt stretcher and the large nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221032369.7U CN217551714U (en) | 2022-04-29 | 2022-04-29 | Bolt stretcher and large-scale nut screwing and carrying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221032369.7U CN217551714U (en) | 2022-04-29 | 2022-04-29 | Bolt stretcher and large-scale nut screwing and carrying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217551714U true CN217551714U (en) | 2022-10-11 |
Family
ID=83472769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221032369.7U Active CN217551714U (en) | 2022-04-29 | 2022-04-29 | Bolt stretcher and large-scale nut screwing and carrying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217551714U (en) |
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2022
- 2022-04-29 CN CN202221032369.7U patent/CN217551714U/en active Active
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