CN215617712U - Narrow and small space bolt fastening instrument of adjustable length - Google Patents
Narrow and small space bolt fastening instrument of adjustable length Download PDFInfo
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- CN215617712U CN215617712U CN202121146861.2U CN202121146861U CN215617712U CN 215617712 U CN215617712 U CN 215617712U CN 202121146861 U CN202121146861 U CN 202121146861U CN 215617712 U CN215617712 U CN 215617712U
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Abstract
The utility model provides a narrow and small space bolt fastening instrument of adjustable length, belongs to mechanical equipment and overhauls instrument technical field for the bolt in narrow and small spaces such as fastening rollgang. The technical scheme is as follows: the front end fixed connection quick locking of extension rod connects, heavy bolt sleeve installs at quick locking joint front end, there are a plurality of location pinhole along body of rod order parallel arrangement on the body of rod of extension rod, the front portion of adjusting the pole is the sleeve, the cover barrel suit of adjusting the pole is at the rear portion of extension rod, it is relative with the location pinhole on the extension rod to have a plurality of regulation pinhole on the sleeve of regulation pole, the locating pin is inserted in regulation pinhole and location pinhole, the fastening arm of force is the stock, the front end of the fastening arm of force has the ratchet spanner structure, it is connected with the ratchet spanner structure of the fastening arm of force to adjust the pole rear end. The heavy bolt fastening device is simple in structure and convenient to use, can quickly finish the fastening work of the heavy bolt with high quality in a narrow space range such as a conveying roller way, improves the maintenance efficiency of equipment, and reduces the maintenance cost of the equipment.
Description
Technical Field
The utility model relates to a fastening tool for fastening bolts in narrow spaces such as a conveying roller way and the like, and belongs to the technical field of mechanical equipment maintenance tools.
Background
In a hot rolling production line, finished steel products such as hot rolling strips, wires and the like are transported by means of a conveying roller way which operates at a high speed, and very high requirements are provided for the arrangement of the roller way in order to ensure that the finished steel products are stably and reliably conveyed to a specified position in the conveying process and the surface damage of the finished steel products is not caused. In order to ensure that the finished steel products are better supported, the smaller the distance between the supporting points is, the smaller the runout of the finished steel products on the conveying roller way is, so that the surface damage and scratch of the finished steel products can be reduced. Therefore, the distance between two adjacent roller ways of the conveying roller way is generally 60-150mm, and the roller ways are arranged tightly.
The fixed bolt-up mode that adopts of rollgang for the interval of two adjacent rollgangs becomes narrower and smaller because the existence of equipment such as motor, transmission shaft above the rollgang. In such a narrow space range, if tools such as a conventional "T-shaped" fastening sleeve, a heavy ratchet wheel or a hydraulic torque wrench are used for fastening the roller way bolt, the problems of poor fastening effect, long fastening working time, high later fastening frequency and the like exist. In the area of the hydraulic cylinder position of the side guide plate of the conveying roller way, due to the influence of the telescopic arm device of the hydraulic cylinder above the roller way, the conventional tool cannot be used for fastening or replacing the bolt. Therefore, the fixing bolt of the conveying roller bed is often loosened and dropped due to poor fastening effect, roller bed vibration and other reasons, so that the equipment maintenance cost is increased, and the normal production is influenced.
In view of the above, it is necessary to design a fastening tool for fastening bolts in narrow spaces such as a roller conveyor, so as to solve the problems of poor fastening effect of the bolts in the roller conveyor, long fastening time, and the like, and improve the service life of the roller conveyor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a bolt fastening tool with adjustable length in a narrow space, which can quickly finish the fastening work of heavy bolts with high quality in a narrow space range such as a conveying roller way and the like, improve the maintenance efficiency of equipment, reduce the maintenance cost of the equipment and ensure the normal production.
The technical scheme for solving the technical problems is as follows:
a bolt fastening tool with a narrow space and adjustable length comprises an extension rod, a quick locking joint, a heavy bolt sleeve, an adjusting rod and a fastening force arm, wherein the front end of the extension rod is fixedly connected with the quick locking joint, the heavy bolt sleeve is installed at the front end of the quick locking joint, a plurality of positioning pin holes are formed in the rod body of the extension rod and are sequentially arranged in parallel along the rod body, the front part of the adjusting rod is a sleeve, the diameter of an inner hole of the sleeve is matched with the outer diameter of the extension rod, a plurality of adjusting pin holes are formed in the sleeve and are sequentially arranged in parallel along the length direction of the sleeve, the diameter and the distance of the adjusting pin holes are matched with the diameter and the distance of the positioning pin holes, the sleeve of the adjusting rod is sleeved at the rear part of the extension rod, the adjusting pin hole in the sleeve of the adjusting rod is opposite to the positioning pin hole in the extension rod, a positioning pin is inserted into the adjusting pin hole and the positioning pin hole, and a rotating rod with a square section is arranged at the rear end of the adjusting rod, the fastening arm of force is the stock, and the length direction of the fastening arm of force is perpendicular with the length direction of adjusting the pole, and the dwang of adjusting the pole rear end is connected for dismantling with the fastening arm of force upper end.
Above-mentioned narrow and small space bolt-up instrument of adjustable length, quick locking joint adopts universal bulb structure and extension rod to be connected, and heavy bolt sleeve can carry out appropriate adjustment according to the position of treating fastening bolt, and fastening bolt is treated in quick locking.
Above-mentioned narrow and small space bolt fastening instrument of adjustable length, the front end of the fastening arm of force has the ratchet spanner structure, and the center of ratchet spanner structure is the locking rotating sleeve pipe, and the dwang of adjusting the pole rear end is inserted in the locking rotating sleeve pipe of the ratchet spanner structure of the fastening arm of force, and the locking rotating sleeve pipe is connected with the dwang cooperation of adjusting the pole rear end, and the rear end of the fastening arm of force has the arm through-hole, and the arm of force through-hole is connected with the pulling device.
Above-mentioned narrow and small space bolt-up instrument of adjustable length, it also has positioner, positioner includes the locating plate support, the locating plate support is rectangle face structure, there is the locating hole on the face central point of locating plate support puts, the diameter of locating hole and the diameter phase-match of regulating lever, the regulating lever passes the locating hole of locating plate support, the locating plate is rectangular shaped plate, two perpendicular parallel fixed connection of locating plate are at the both ends of locating plate support, the axis of fastening bolt is treated to the locating plate support perpendicular to, the center of locating hole on the locating plate support is located the axis of treating fastening bolt, the face outside of two locating plates pastes the tight connection with the transmission shaft of the rollgang of treating the fastening bolt both sides relatively.
Above-mentioned narrow and small space bolt fastening instrument of adjustable length, the face structure of locating plate support is connected relatively by two blocks of rectangular boards and is constituteed, and the edge both ends of the relative connection of two blocks of rectangular boards have corresponding pinhole respectively, and two fitting pins are inserted respectively and are connected two blocks of rectangular boards of locating plate support as an organic whole in the pinhole, and the fitting pin is rotatable bolt connection with the pinhole.
The utility model has the beneficial effects that:
the extension rod is provided with a plurality of positioning pin holes, the front part of the adjusting rod is sleeved on the extension rod, the adjusting pin holes on the adjusting rod are opposite to the positioning pin holes, positioning pins are inserted into the adjusting pin holes and the positioning pin holes to connect the extension rod and the adjusting rod, and different positioning pin holes and adjusting pin holes can be selected according to field conditions to adjust the length; the positioning device can enable the extension rod and the adjusting rod to be always in a vertical state with the ground in the using process by means of two positioning plates, and the positioning device is easily fixed by means of field equipment; two locking pins are arranged on a positioning plate bracket of the positioning device, so that the positioning plate bracket can be quickly mounted or dismounted; the front end of the fastening force arm device adopts a ratchet wrench structure, and the ratchet wrench structure is connected with a rotating rod at the rear end of the adjusting rod, so that repeated fastening of bolts to be fastened can be realized; the rear end of the fastening force arm is provided with a force arm through hole, and the fastening effect of the bolt can be effectively enhanced by installing connecting pieces such as a lock catch in the force arm through hole and by means of force application tools such as a chain block.
The heavy bolt fastening device has the characteristics of simple structure, low cost, convenience in use, excellent performance and the like, can quickly finish the fastening work of the heavy bolt with high quality in a narrow space range, effectively improves the equipment maintenance efficiency, reduces the equipment maintenance cost and ensures the normal production.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the extension pole;
FIG. 3 is a schematic view of the structure of the adjustment lever;
FIG. 4 is a schematic view of the tightening arm;
FIG. 5 is a schematic view of the positioning device;
fig. 6 is a side view of fig. 5.
Labeled as: the quick locking device comprises an extension rod 1, a quick locking connector 2, a heavy bolt sleeve 3, a positioning pin hole 4, an adjusting rod 5, an adjusting pin hole 6, a positioning pin 7, a rotating rod 8, a fastening force arm 9, a ratchet wrench structure 10, a force arm through hole 11, a positioning device 12, a positioning plate support 13, a positioning plate 14, a positioning hole 15, a locking pin 16 and a pin hole 17.
Detailed Description
The utility model is composed of an extension rod 1, a quick locking joint 2, a heavy bolt sleeve 3, an adjusting rod 5, a fastening force arm 9 and a positioning device 12.
Fig. 1 and 2 show that the extension rod 1 is a long rod, the front end of the extension rod 1 is fixedly connected with a quick locking joint 2, and a heavy bolt sleeve 3 is installed at the front end of the quick locking joint 2. The extension rod 1 has a plurality of positioning pin holes 4 arranged in parallel along the rod body.
Fig. 1, 3 show, adjust the front portion of pole 5 and be the sleeve, telescopic hole diameter and extension rod 1's external diameter phase-match, there are a plurality of along sleeve length direction order parallel arrangement's regulation pinhole 6 on the sleeve, the diameter and the interval of regulation pinhole 6 and the diameter and the interval phase-match of extension rod 1's locating pin hole 4, adjust the rear portion at extension rod 1 of the cover suit of pole 5, it is relative with locating pin hole 4 on the extension rod 1 to adjust regulation pinhole 6 on the pole 5 sleeve, locating pin 7 is inserted in regulation pinhole 6 and locating pin hole 4, be connected extension rod 1 with regulation pole 5. During actual use, different positioning pin holes 4 and adjusting pin holes 6 can be selected according to field conditions to adjust the length. The rear end of the adjusting rod 5 is provided with a rotating rod 8 with a square section, and the rotating rod 8 is used for being connected with a fastening force arm 9.
Fig. 1 and 4 show that the fastening force arm 9 is a long rod, the front end of the fastening force arm 9 is provided with a ratchet wrench structure 10, the center of the ratchet wrench structure 10 is provided with a locking rotating sleeve, a rotating rod 8 is inserted into the locking rotating sleeve of the ratchet wrench structure 10 of the fastening force arm 9, and the locking rotating sleeve is connected with the rotating rod 8 at the rear end of the adjusting rod 5 in a matching manner. The rear end of the fastening force arm 9 is provided with a force arm through hole 11, and the force arm through hole 11 is connected with a pulling device. When the tightening mechanism is used, the tightening force arm 9 is rotated, the ratchet wrench structure 10 in front of the tightening force arm 9 can drive the rotating rod 8 and the adjusting rod 5 to rotate, the tightening force arm 9 is pulled repeatedly, the ratchet wrench structure 10 can rotate the adjusting rod 5 continuously, and continuous tightening of bolts to be tightened can be achieved. The rear end of the fastening force arm 9 can effectively enhance the fastening effect of the bolt to be fastened by installing fasteners such as a lock catch in the force arm through hole 11 and by means of force application tools such as a chain block.
Fig. 1 and 5 show that a positioning device 12 is mounted on the adjusting rod 5, and the positioning device 12 comprises a positioning plate bracket 13 and a positioning plate 14. The positioning plate support 13 is of a rectangular structure, a positioning hole 15 is formed in the center of the positioning plate support 13, the diameter of the positioning hole 15 is matched with that of the adjusting rod 5, and the adjusting rod 5 penetrates through the positioning hole 15 of the positioning plate support 13. The positioning plate 14 is a rectangular plate, and the two positioning plates 14 are vertically and parallelly fixedly connected to two ends of the positioning plate bracket 13. When the positioning plate support is used, the positioning plate support 13 is perpendicular to the axis of the bolt to be fastened, the center of the positioning hole 15 in the positioning plate support 13 is located on the axis of the bolt to be fastened, and the outer sides of the plate surfaces of the two positioning plates 14 are in relatively close connection with transmission shafts of conveying roller ways on two sides of the bolt to be fastened.
Fig. 1, 5 and 6 show that the plate surface structure of the positioning plate support 13 is formed by connecting two rectangular plates relatively, two opposite ends of the edge of the two rectangular plates are respectively provided with a corresponding pin hole 17, two locking pins 16 are respectively inserted into the pin holes 17 to connect the two rectangular plates of the positioning plate support 13 into a whole, and the locking pins 16 are detachably connected with the pin holes. When in use, one locking pin 16 is pulled out, and the positioning plate bracket 13 can rotate by taking the other locking pin 16 as a shaft, so that the positioning plate bracket 13 is opened; locking of the retaining plate bracket 13 is achieved by reverse rotation and insertion of the locking pin 16.
The using method of the utility model is as follows:
firstly, a heavy bolt sleeve 3 matched with a bolt to be fastened is arranged in a quick locking joint 2 at the front end of an extension rod 1;
then, sleeving a front end sleeve of the adjusting rod 5 at the rear part of the extension rod 1, adjusting the length direction of the adjusting rod 5 according to the spatial position of a bolt to be fastened, inserting a positioning pin 7 into an adjusting pin hole 6 of the adjusting rod 5 and a positioning pin hole 4 of the extension rod 1 opposite to each other after proper adjustment, and fixedly connecting the extension rod 1 with the adjusting rod 5;
one locking pin 16 is pulled out, the positioning plate bracket 13 can rotate by taking the other locking pin 16 as a shaft, so that the positioning plate bracket 13 is opened, the adjusting rod 5 is placed at a proper position of the positioning hole 15, and the locking pin 16 is inserted to realize the locking of the positioning plate bracket 13;
the positioning device 12 can be rapidly and freely detached or installed, the height direction of the positioning device 12 is adjusted according to the actual installation position condition of the on-site conveying roller ways, the planes of the two positioning plates 14 are tightly attached to the transmission shafts of the two adjacent conveying roller ways and keep a vertical state with the ground, the positioning plate support 13 is vertical to the axis of the bolt to be fastened, the center of the positioning hole 14 on the positioning plate support 13 is positioned on the axis of the bolt to be fastened, and the adjusting rod 5 and the extension rod 1 are prevented from inclining in the moment application process;
the rotating rod 8 at the tail end of the adjusting rod 5 is inserted into a locking rotating sleeve of a ratchet wrench structure 10 of a fastening force arm 9, the fastening force arm 9 is held by a hand to rotate slowly, the ratchet wrench structure 10 at the front part of the fastening force arm 9 can drive the rotating rod 8 and the adjusting rod 5 to rotate, the fastening force arm 9 is pulled repeatedly, the ratchet wrench structure 10 can rotate the adjusting rod 5 continuously, and continuous fastening of fastening bolts can be achieved.
One embodiment of the utility model is as follows:
the length of the extension rod 1 is 400mm, the diameter is 30mm, the diameter of the positioning pin hole 4 on the rod body is 10mm, and the distance is 20 mm;
the quick locking joint 2 is connected with the extension rod 1 by adopting a universal ball head structure;
the length of the heavy bolt sleeve 3 is 60mm, the diameter of an inner hole is 30mm, and the outer diameter is 36 mm;
the length of the adjusting rod 5 is 600mm, the diameter of the adjusting rod is 36mm, the diameter of an inner hole of the front end sleeve is 30mm, the diameter of an adjusting pin hole 6 in the sleeve is 10mm, the distance between the adjusting pin holes is 20mm, and the length of the rear end rotating rod 8 is 20 mm;
the diameter of the positioning pin 7 is 10 mm;
the length of the fastening force arm 9 is 200mm, the width is 30mm, and the diameter of the force arm through hole 11 is 20 mm;
the length of the positioning plate bracket 13 is 200mm, and the width of the positioning plate bracket is 200 mm;
the length of the positioning plate 14 is 200mm, and the width is 100 mm;
the diameter of the positioning hole 15 is 36 mm.
Claims (5)
1. The utility model provides a narrow and small space bolt-up instrument of adjustable length which characterized in that: the quick locking device comprises an extension rod (1), a quick locking joint (2), a heavy bolt sleeve (3), an adjusting rod (5) and a fastening force arm (9), wherein the front end of the extension rod (1) is fixedly connected with the quick locking joint (2), the heavy bolt sleeve (3) is installed at the front end of the quick locking joint (2), a plurality of positioning pin holes (4) are sequentially and parallelly arranged along the length direction of a rod body on the rod body of the extension rod (1), the front part of the adjusting rod (5) is a sleeve, the diameter of an inner hole of the sleeve is matched with the outer diameter of the extension rod (1), a plurality of adjusting pin holes (6) are sequentially and parallelly arranged along the length direction of the sleeve on the sleeve, the diameter and the distance of the adjusting pin holes (6) are matched with the diameter and the distance of the positioning pin holes (4), the sleeve of the adjusting rod (5) is sleeved on the rear part of the extension rod (1), the adjusting pin holes (6) on the sleeve of the adjusting rod (5) are opposite to the positioning pin holes (4) on the extension rod (1), the positioning pin (7) is inserted into the adjusting pin hole (6) and the positioning pin hole (4), the rear end of the adjusting rod (5) is provided with a rotating rod (8) with a square cross section, the fastening force arm (9) is vertical to the length direction of the adjusting rod for the length direction of the long rod fastening force arm, and the rotating rod at the rear end of the adjusting rod is detachably connected with the upper end of the fastening force arm.
2. The narrow space bolt-tightening tool with adjustable length according to claim 1, characterized in that: the quick locking joint (2) is connected with the extension rod (1) through a universal ball head structure, the heavy bolt sleeve (3) can be properly adjusted according to the position of the bolt to be fastened, and the bolt to be fastened is quickly locked.
3. The narrow space bolt-tightening tool with adjustable length according to claim 1, characterized in that: the front end of the fastening force arm (9) is provided with a ratchet wrench structure (10), the center of the ratchet wrench structure (10) is a locking rotating sleeve, a rotating rod (8) at the rear end of the adjusting rod (5) is inserted into the locking rotating sleeve of the ratchet wrench structure (10) of the fastening force arm (9), the locking rotating sleeve is matched and connected with the rotating rod (8) at the rear end of the adjusting rod (5), a force arm through hole (11) is formed in the rear end of the fastening force arm (9), and the force arm through hole (11) is connected with a pulling device.
4. The narrow space bolt-tightening tool with adjustable length according to claim 1, characterized in that: the novel steel wire rope fixing device is further provided with a positioning device (12), the positioning device (12) comprises a positioning plate support (13) and positioning plates (14), the positioning plate support (13) is of a rectangular plate surface structure, a positioning hole (15) is formed in the center of the plate surface of the positioning plate support (13), the diameter of the positioning hole (15) is matched with the diameter of an adjusting rod (5), the adjusting rod (5) penetrates through the positioning hole (15) of the positioning plate support (13), the positioning plates (14) are rectangular plates, the two positioning plates (14) are perpendicularly and parallelly fixedly connected to the two ends of the positioning plate support (13), the positioning plate support (13) is perpendicular to the axis of a bolt to be fastened, the center of the positioning hole (15) in the positioning plate support (13) is located on the axis of the bolt to be fastened, and the outer sides of the plate surfaces of the two positioning plates (14) are in relatively close connection with transmission shafts of conveying roller tables on the two sides of the bolt to be fastened.
5. The narrow space bolt-tightening tool with adjustable length according to claim 4, characterized in that: the plate surface structure of the positioning plate support (13) is formed by oppositely connecting two rectangular plates, two opposite-connected edge ends of the two rectangular plates are respectively provided with a corresponding pin hole (17), two locking pins (16) are respectively inserted into the pin holes (17) to connect the two rectangular plates of the positioning plate support (13) into a whole, and the locking pins (16) are rotatably connected with the pin holes (17) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121146861.2U CN215617712U (en) | 2021-05-26 | 2021-05-26 | Narrow and small space bolt fastening instrument of adjustable length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121146861.2U CN215617712U (en) | 2021-05-26 | 2021-05-26 | Narrow and small space bolt fastening instrument of adjustable length |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215617712U true CN215617712U (en) | 2022-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121146861.2U Active CN215617712U (en) | 2021-05-26 | 2021-05-26 | Narrow and small space bolt fastening instrument of adjustable length |
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| CN (1) | CN215617712U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114918645A (en) * | 2022-02-21 | 2022-08-19 | 邵亮 | Large-scale spiale sleeve location circle bush installation device |
| CN115418939A (en) * | 2022-09-05 | 2022-12-02 | 天津交科新材料有限公司 | Unit type prefabricated fast-assembling bridge expansion device and construction method |
-
2021
- 2021-05-26 CN CN202121146861.2U patent/CN215617712U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114918645A (en) * | 2022-02-21 | 2022-08-19 | 邵亮 | Large-scale spiale sleeve location circle bush installation device |
| CN115418939A (en) * | 2022-09-05 | 2022-12-02 | 天津交科新材料有限公司 | Unit type prefabricated fast-assembling bridge expansion device and construction method |
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