CN217020223U - Miniature device of turning and pre-tightening bolt in hand hole in lining segment model - Google Patents
Miniature device of turning and pre-tightening bolt in hand hole in lining segment model Download PDFInfo
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- CN217020223U CN217020223U CN202122787138.9U CN202122787138U CN217020223U CN 217020223 U CN217020223 U CN 217020223U CN 202122787138 U CN202122787138 U CN 202122787138U CN 217020223 U CN217020223 U CN 217020223U
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- nut
- screwing
- spring
- hand hole
- screw rod
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Abstract
The utility model provides a miniature device for a direction-changing pre-tightening bolt in a hand hole in a lining segment model, which comprises the following steps: the screw rod is placed in the bolt hole of the shield tunnel model with the hand hole, two model segments are butted, the sleeve head nut is rotated, the nut sleeve end of the transmission type screwing bolt device is butted with one end of the screw rod, the other end of the screw rod is clamped by the fixing clamp from the other hand hole, and the hand-operated rotating handle drives the rotating sleeve head to screw the nut through the rubber transmission belt. Meanwhile, the spring in a compressed state can enable the screwing wrench and the nut to move in parallel by providing horizontal traction force for the screwing wrench, so that screwing of the nut and the screw rod is completed. The utility model solves the long-standing puzzled problem that the screw rod and the nut in the hand hole of the shield tunnel model segment are difficult to screw; the production process is simple, the cost is low and the operation is convenient; the transmission type screwing device is adopted, so that the bolt can be screwed in a narrow hand hole.
Description
Technical Field
The utility model relates to a miniature device for turning and pre-tightening a bolt in a hand hole in a lining segment model, which can be used for quickly screwing the bolt.
Background
The utility model relates to a miniature device for a direction-changing pre-tightening bolt in a hand hole in a lining segment model. For the actual conditions of simulation shield tunnel, its tunnel model section of jurisdiction adopts the screw rod to connect, and shield tunnel model section of jurisdiction hand hole space is narrow and small, leads to operating space not enough, and the ring piece is more in quantity, and work load is great, takes current purpose-made small-size spanner, is difficult to operate, and efficiency is not high. In order to solve the problems, the utility model provides the micro device for pre-tightening the bolts in the hand holes in the lining segment model, the conveying shaft is driven to drive the hexagonal nut sleeve head below to rotate by rotating the rotating handle, the operation is simple, the efficiency is higher, the structure is stable, and the cost is lower.
SUMMERY OF THE UTILITY MODEL
The method aims at the problems that a hand hole of a shield tunnel model segment is narrow and small, and a bolt and a nut are difficult to connect and operate. The utility model provides a miniature device for turning and pre-tightening bolts in hand holes in a lining segment model, which is used for improving the bolt screwing efficiency.
The utility model relates to a micro device for a direction-changing pre-tightening bolt in a hand hole in a lining segment model, which adopts a hand-operated screwing wrench, wherein the screwing wrench is sleeved with a nut tightly by a rotating sleeve and then inserted into the hand hole on a shield tunnel model segment and is connected with a screw rod in series, and the screwing wrench is mainly used for screwing the nut so as to continuously screw the nut and the screw rod.
As an improvement, the device consists of a screwing wrench, a fixing clamp, a connecting rod and a spring. The upper part of the screwing wrench is provided with a rotating handle, the lower part of the screwing wrench is provided with a rotating sleeve head, and the side edge of the screwing wrench is provided with a rubber transmission belt.
As the improvement, the fixing clamp of the device has an opening, the size of the screw is matched, the clamping force is strong, the anti-skidding lines are arranged, the size is small, and the requirement of clamping the screw in a hand hole of a shield tunnel model and limiting the rotation of the screw can be met.
As an improvement, the rubber transmission belt of the device is formed by symmetrically placing two or more rubber transmission belts on two sides of a screwing wrench in parallel, placing the rubber transmission belts in the rubber transmission belt, and simultaneously working the two sides to carry and transmit the rubber transmission belts.
As an improvement, the rubber transmission belt is driven downwards by the rotating handle along the direction of the bearing sheet and is transmitted to the rotating sleeve head in a linear form.
As an improvement, the spring of the device is in a compressed state when working, the spring is to restore the original length of the spring to provide horizontal traction force for screwing the wrench, and the size of the spring can be set according to the required traction force.
As the improvement, this device rotates pullover and fixation clamp and is twisting bolt device bottom, is on a parallel with the screw rod direction and sets up two horizontally mortise, and the screw rod passes the mortise and can wear out smoothly and play limiting displacement.
The utility model has the beneficial effects that:
firstly, screwing of the screw and the nut on the shield tunnel mould pipe sheet is mainly realized by screwing a wrench. The screwing wrench is inserted into a hand hole in a shield tunnel model segment after the nut is tightly screwed by the rotating sleeve head, the screwing wrench is in butt joint with the screw, the rotating sleeve head is driven by the hand-operated rotating handle to screw the nut, and the screw and the nut can be quickly spliced.
The distance between the rotating handle and the rotating sleeve head can be changed through a rubber transmission belt of the screwing wrench, so that the splicing of the bolts without tenons in the duct piece hand holes of the shield tunnel model is realized, and the bolt screwing efficiency is higher for the splicing of the bolts in different narrow spaces.
The spring is in a compression state when working, the original elastic force of the spring is recovered to provide horizontal traction force for screwing the wrench, and the spring and the nut move horizontally and parallelly simultaneously in the process of continuously screwing the nut on the screw rod, so that the efficiency is greatly improved.
Drawings
The utility model is further illustrated by the following examples in conjunction with the drawings.
FIG. 1 is a schematic view of the apparatus;
FIG. 2 is a right side view of the apparatus;
FIG. 3 is a front view of the present apparatus;
FIG. 4 is a left side view of the apparatus;
FIG. 5 is a detail view of the rotating cuff;
FIG. 6 is a schematic view of the wrench;
Detailed Description
The technical solution of the present invention will be described in detail with reference to the embodiments.
The utility model provides a miniature device for a direction-changing pre-tightening bolt in a hand hole in a lining segment model, which comprises the following components in parts by weight as shown in figures 1-4: comprises a screwing wrench, a fixing clamp 1, a connecting rod 3 and a spring 2; the screwing wrench is inserted into a hand hole on a shield tunnel model segment after a nut is tightly sleeved by a rotating sleeve head 7; the upper part of the rubber transmission belt 6 is connected with the lower part of the rotating handle 5 and is connected with the rotating sleeve head 7 to form a transmission device together, and the transmission device is used for transmitting and screwing the rotating sleeve head 7; the fixing clamp 1 can clamp a screw in a duct piece hand hole of the shield tunnel model to limit the rotation of the screw; the connecting rod 3 and the spring 2 can provide horizontal traction force for screwing the wrench, and can move horizontally and parallel with the nut in the process that the nut is continuously screwed on the screw.
In this embodiment, the screw is placed in the bolt hole of the shield tunnel model with the hand hole, after the two model segments are butted, the sleeve head 6 is rotated to sleeve the nut and butted with one end of the screw, the other end of the screw is clamped by the fixing clamp 1 from the other hand hole, the hand-operated rotating handle 5 drives the rotating sleeve head 7 to screw the nut through the rubber transmission belt 6, and meanwhile, the spring 2 in a compression state provides horizontal traction force for the screwing wrench, so that the screwing wrench and the nut can move in parallel.
As an improvement, the screwing wrench consists of a rotating handle 5, a bearing sheet 4, a rubber transmission belt 6 and a rotating sleeve head 7. The upper part of the screwing wrench is provided with a rotating handle 5, the lower part of the screwing wrench is provided with a rotating sleeve head 7, and the side edge of the screwing wrench is provided with a rubber transmission belt 6. The distance between the rotating handle 5 and the rotating sleeve head 7 can be changed through the rubber driving belt 6 of the screwing wrench, so that the splicing of the tenon-free bolts in the duct piece hand holes of the shield tunnel model is realized, and the bolt splicing in different narrow spaces is higher in the bolt screwing efficiency.
As an improvement, the device can simultaneously carry out screwing operation of the screw and the nut in a plurality of hand holes of the shield tunnel model, and has an obvious effect on improving the working efficiency.
Claims (9)
1. A miniature device for turning and pre-tightening bolts in hand holes in a lining segment model is characterized by comprising a screwing wrench, a fixing clamp, a connecting rod and a spring; the screwing wrench is mainly used for screwing the nut so as to continuously screw the nut and the screw; the fixing clamp clamps the other end of the screw rod and is used for limiting the rotation of the screw rod; one end of the connecting rod is arranged on the screwing wrench, and the other end of the connecting rod penetrates through the fixing clamp and is sleeved with a spring to provide support and transfer the elastic force of the spring; the spring is sleeved on the connecting rod and used in cooperation with the connecting rod, and can provide horizontal traction force for the screwing wrench.
2. The miniature device of the direction-changing pre-tightening bolt in the hand hole in the lining segment model as claimed in claim 1, which is characterized in that: the screwing wrench comprises a rotating handle, a bearing sheet, a rubber transmission belt and a rotating sleeve head; the rotating sleeve head is nested with the nut and mainly controls the nut to be screwed into the screw; the rotating handle is mainly used for rotating and driving the rubber transmission belt to drive the rotating sleeve head; the rubber transmission belt is mainly used for connecting the rotating handle and the rotating sleeve head and is used for transmission.
3. The miniature device of the direction-changing pre-tightening bolt in the hand hole in the lining segment model as claimed in claim 2, wherein: the rubber transmission belt is arranged between the rotating handle and the rotating sleeve head, and the number of the rubber transmission belts can be set according to the rotating requirement.
4. The miniature device for turning and pre-tightening bolts in hand holes in lining segment models, according to claim 2, is characterized in that: the rotary sleeve head can be determined according to the shape of the nut.
5. The miniature device of the direction-changing pre-tightening bolt in the hand hole in the lining segment model as claimed in claim 2, wherein: the rotating sleeve head is a through hole, the side of the nut is hexagonal, the nut is nested, the opening of the other side of the nut is slightly larger than the size of the screw rod, and the screw rod can penetrate through the opening when the nut is screwed down.
6. The miniature device of the direction-changing pre-tightening bolt in the hand hole in the lining segment model as claimed in claim 1, which is characterized in that: the fixed clamp chuck is provided with an opening which is matched with the size of the screw rod.
7. The miniature device of the direction-changing pre-tightening bolt in the hand hole in the lining segment model as claimed in claim 1, which is characterized in that: one end of the connecting rod, which is close to the fixing clamp, is provided with a tenon which is matched with the spring for use and provides horizontal traction force for screwing the wrench, and the tenon can be arranged according to the sizes of the spring and the connecting rod.
8. The miniature device for turning and pre-tightening bolts in hand holes in lining segment models, according to claim 1, is characterized in that: the spring is in a compressed state when working, the original length of the spring is required to be recovered, the horizontal traction force for screwing the wrench is provided, and the size of the spring can be set according to the required traction force.
9. The miniature device for turning and pre-tightening bolts in hand holes in lining segment models, according to claim 1, is characterized in that: the length of the connecting rod can be determined according to the length of the screw rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122787138.9U CN217020223U (en) | 2021-11-15 | 2021-11-15 | Miniature device of turning and pre-tightening bolt in hand hole in lining segment model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122787138.9U CN217020223U (en) | 2021-11-15 | 2021-11-15 | Miniature device of turning and pre-tightening bolt in hand hole in lining segment model |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217020223U true CN217020223U (en) | 2022-07-22 |
Family
ID=82439720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122787138.9U Active CN217020223U (en) | 2021-11-15 | 2021-11-15 | Miniature device of turning and pre-tightening bolt in hand hole in lining segment model |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217020223U (en) |
-
2021
- 2021-11-15 CN CN202122787138.9U patent/CN217020223U/en active Active
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