CN214237998U - Disassembling tool for folding head bolt of bogie shaking seat - Google Patents
Disassembling tool for folding head bolt of bogie shaking seat Download PDFInfo
- Publication number
- CN214237998U CN214237998U CN202120128069.8U CN202120128069U CN214237998U CN 214237998 U CN214237998 U CN 214237998U CN 202120128069 U CN202120128069 U CN 202120128069U CN 214237998 U CN214237998 U CN 214237998U
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- Prior art keywords
- inner hexagonal
- hexagonal sleeve
- bolt
- control handle
- bogie
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- Expired - Fee Related
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- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses the device belongs to railway freight car equipment technical field, specific theory relates to railway freight car changes K5 type bogie and waves a seat and roll over head bolt and decompose instrument. The technical problem that the round-face dog-ear bolt of the swing seat of the existing K5 bogie is difficult to clamp and disassemble is solved. A tool for disassembling a folded bolt of a bogie shaking seat comprises a shaft-shaped or rod-shaped control handle, wherein one end of the control handle is connected with a first inner hexagonal sleeve, and the axis of the first inner hexagonal sleeve is perpendicular to the long central line of the control handle; a bolt extractor matched with the first inner hexagonal sleeve is rotatably arranged on the control handle at a position close to the first inner hexagonal sleeve, the bolt extractor comprises a connecting arm and at least two plug pins arranged at one end of the connecting arm, and the other end of the connecting arm is rotatably arranged on the control handle; the plug pin can rotate to the first inner hexagonal sleeve and extend into the first inner hexagonal sleeve. The utility model discloses can improve work efficiency, shorten the operation man-hour.
Description
Technical Field
The utility model discloses the device belongs to railway freight car equipment technical field, specific theory relates to railway freight car changes K5 type bogie and waves a seat and roll over head bolt and decompose instrument.
Background
The bogie of the K5 turning type is a common bogie used by the active freight train of state iron, and because the original design of the bogie is that the bolt for installing and fastening the swing seat of the bogie is a dog-headed bolt. The discovery in workshop production process, current instrument is difficult to carry out fine fixed and spacing to this bolt, leads to dismantling in-process bolt slippage, dismantles the part in-process and wastes time and energy, greatly influences production efficiency to the hydraulic clamp cost of using now is higher, and the field usage frequency of damage is also very high, leads to the increase of instrument use cost. Therefore, a tool capable of rapidly disassembling and disassembling the folding head bolt of the swing seat of the bogie is urgently needed.
Disclosure of Invention
The utility model discloses a solve the current K5 bogie of revolving around and wave a round surface turn-ups bolt and be difficult to press from both sides the technical problem who tightly and pull down, provide a bogie and wave a turn-ups bolt and decompose instrument.
The utility model discloses an adopt following technical scheme to realize: a tool for disassembling a folded bolt of a bogie shaking seat comprises a shaft-shaped or rod-shaped control handle, wherein one end of the control handle is connected with a first inner hexagonal sleeve, and the axis of the first inner hexagonal sleeve is perpendicular to the long central line of the control handle; a bolt extractor matched with the first inner hexagonal sleeve is rotatably arranged on the control handle at a position close to the first inner hexagonal sleeve, the bolt extractor comprises a connecting arm and at least one plug pin arranged at one end of the connecting arm, and the other end of the connecting arm is rotatably arranged on the control handle; the plug pin can rotate to the first inner hexagonal sleeve and extend into the first inner hexagonal sleeve.
When the nut dismounting device is used, the first inner hexagonal sleeve is sleeved on the head of a to-be-dismounted dog-ear bolt, the first inner hexagonal sleeve is fixedly sleeved on the head of the bolt through hammering, then the nut below the dog-ear bolt is dismounted through rotation, and the bolt head is limited at the moment, so that the bolt head cannot rotate along with the rotation of the nut when the nut is dismounted, and the dismounting of the nut can be smoothly completed; then insert a round pin with bolt extractor and rotate to in first hexagon socket head cap sleeve and withstand the bolt head, insert a round pin top through the hammering and make first hexagon socket head cap sleeve and bolt realize separating, dismantle the operation and accomplish.
Further, the other end of the control handle is connected with a second inner hexagonal sleeve, and the axis of the second inner hexagonal sleeve is perpendicular to the long central line of the control handle; and a bolt extractor matched with the second inner hexagonal sleeve is rotatably arranged at a position close to the second inner hexagonal sleeve on the control handle, and the plug pin of the bolt extractor can rotate to the second inner hexagonal sleeve and extend into the second inner hexagonal sleeve.
Two inner hexagonal sleeves are installed on the control handle, the two inner hexagonal sleeves can adopt different specifications, and the dismounting operation can be carried out on bolts with different specifications. Two inner hexagonal sleeves are arranged on one control handle, so that the length of the control handle is fully utilized, and the cost is saved.
The utility model discloses have following economic and social benefits:
1. the nut locking mechanism is locked on the nut locking mechanism through the interference fit, so that the axial rotation of the nut can be completely controlled by one hand of an operator, the operation is convenient, and the labor operation intensity of field workers is greatly reduced.
2. Participate in the hammering department through beating and can hit out the bolt, easily take out because of the bolt of interference fit locking, improved work efficiency, shorten the length of operation man-hour.
3. The tool can be comprehensively popularized and used in the whole vehicle system for group companies and the same industry, the problem that the knuckle bolt of the steering K5 bogie is difficult to disassemble is solved in a large area, and expenditure saving and consumption reduction to a certain degree are realized.
Drawings
Fig. 1 is a schematic view of the bottom view structure of the present invention.
Fig. 2 is a schematic side view of the present invention.
Fig. 3 is a schematic view of the top view structure of the present invention.
Fig. 4 is a partial perspective view of the pin of the present invention not inserted into the sleeve.
Fig. 5 is a partial perspective view of the pin of the present invention extending into the sleeve.
Fig. 6 is a schematic view of a three-dimensional structure of the present invention.
Fig. 7 is a schematic view of the knuckle bolt mounted on the truck rocker seat.
Fig. 8 is a schematic view of the state of the present invention when the bolt is removed.
1-a first inner hexagonal sleeve, 2-a rotary clamping groove, 3-a control handle, 4-a second inner hexagonal sleeve, 5-a bolt extractor, 6-a nut, 7-a bolt head, and 8-a bogie shaking seat;
21-mounting plate, 22-rotating shaft nut and 23-rotating shaft.
Detailed Description
Referring to fig. 1-3, a disassembling tool for a folding bolt of a bogie rocking seat comprises a shaft-shaped or rod-shaped control handle 3, wherein one end of the control handle 3 is connected with a first inner hexagonal sleeve 1, and the axis of the first inner hexagonal sleeve 1 is perpendicular to the long central line of the control handle 3; a bolt extractor 5 matched with the first inner hexagonal sleeve 1 is rotatably arranged on the control handle 3 at a position close to the first inner hexagonal sleeve 1, the bolt extractor 5 comprises a connecting arm and at least one pin arranged at one end of the connecting arm, and the other end of the connecting arm is rotatably arranged on the control handle 3; the plug pin can rotate to the first inner hexagonal sleeve 1 and extend into the first inner hexagonal sleeve 1.
The other end of the control handle 3 is connected with a second inner hexagonal sleeve 4, and the axis of the second inner hexagonal sleeve 4 is vertical to the long central line of the control handle 3; a bolt extractor 5 matched with the second inner hexagonal sleeve 4 is rotatably arranged on the control handle 3 at a position close to the second inner hexagonal sleeve 4, and a pin of the bolt extractor can rotate to the second inner hexagonal sleeve 4 and extend into the second inner hexagonal sleeve 4.
As shown in fig. 4 and 5, each bolt extractor 5 is rotatably mounted on the control handle 3 through the rotary slot 2; rotary clamping groove 2 is including fixing mounting panel 21 on brake valve lever 3 and fixing a pair of pivot nut 22 (welding on the mounting panel) on mounting panel 21, and mounting panel 21 and brake valve lever 3 vertical cross rotate between the pivot nut 22 and install a pivot 23 (with brake valve lever vertical cross), and the other end of the linking arm of bolt extractor 5 is installed in pivot 23.
As can be seen from fig. 4 and 5, a notch is formed in the side wall of one side of the inner hexagonal sleeve (the notch can be selectively welded with the control handle), and the control handle 3 penetrates through the notch and is fixedly connected (welded) with the inner wall of the other side of the inner hexagonal sleeve; the structure can improve the connecting strength of the control handle and the sleeve, and is convenient for hammering (the connecting point of the control handle and the sleeve is used as a hammering point); the two pins are spaced at a certain distance, and when the bolt extractor 5 rotates into the inner hexagonal sleeve, the pins do not interfere with the control handle 3. The tops of the two pins are connected together in a transition mode through arcs and are welded and fixed with the connecting arm, the plane where the pins are located is substantially perpendicular to the connecting arm, and therefore when the connecting arm rotates to the position above the sleeve, the pins can penetrate into the sleeve.
The inner diameter specification of the first inner hexagonal sleeve 1 is M36, and the inner diameter specification of the second inner hexagonal sleeve 4 is M34, so that the requirements of disassembling bolts with different specifications are met.
The two pins are spaced at a certain distance, so that when the bolt extractor rotates to the inner hexagonal sleeve, the two pins are just positioned at two sides of the control handle, and the arc-shaped connecting structure of the pins has a certain distance with the control handle, so that the pins cannot interfere with each other, and the sleeve can be conveniently separated from the folding head bolt by hammering the pins; the arc connection part of the tops of the two pins can be used as a hammering point; the positions of the two ends of the control handle connected with the inner hexagonal sleeve can also be used as hammering points, so that the sleeve is in interference fit with the folding head bolt.
The tool is locked by an operation bolt and an inner hexagonal sleeve in an interference fit mode through the upper part of a handle extending end (namely a part extending into the sleeve) of a hammering front section; the axial rotation of the working bolt on the circular circumferential surface is completely limited; an operator can control the axial locking force of the bolt by utilizing the change of the front and rear inclination angles of the handle so as to ensure that the bolt is firmly locked, and the bolt can be fixed by controlling the handle; when the operation bolt is locked, the top of the bolt can jack the two pins connected by the hinge to open the pins (as shown in figure 4); at the moment, under the condition of fixing the bolt, the bolt can be operated, and the nut below the bolt can be detached; then the tool and the operated nut can be taken down together and placed above the accessory recycling bin, the bolt extractor is rotated to the upper part of the bolt (as shown in figure 5), and the two pins positioned at the upper end of the top surface of the operated bolt can be knocked out by the operated bolt under the action of downward impact force through hammering positions above the pins, so that the hexagon socket head cap sleeve is separated from the bolt.
Fig. 7 is the bolt installation situation on the rotating stand shaking seat, fig. 8 is the utility model discloses a situation that the hexagon socket head cap sleeve is fixed the bolt head, and through knocking the top that the bolt extractor participated in this moment, can make sleeve and bolt break away from.
Tool cost accounting
(1) New tool unit price calculation
The materials used by the new tool are production waste materials, and the workshop self-processing is realized, so that the cost is low; in the cost calculation, the material scrapping and recycling unit price is calculated, and the processing cost is calculated according to the market average price.
Through accounting evaluation, the unit price of the new tool is 62 yuan/set, which is far lower than the cost of the original tool, and the single tool only saves cost and reduces consumption to a great extent in the aspects of material purchase and equipment expenditure in field use.
(2) And comparing the use cost of the tool.
Cost and expenditure calculation: (one year tool expenditure for a cost calculation cycle with a single station)
New tool cost = tool cycle cost fee
= unit price of new tool x number of cycles used
=62×4
=248 yuan
Original tool cost = hydraulic tong cost + tong head loss
= unit price of hydraulic tong × number of cycles used + unit price of tong head × number of cycles used
=650×6+200×24
=8700 yuan.
(3) Cost ratio and cost saving of tool
Cycle tool cost budget = cost in original tool cycle-cost in new tool cycle
=8700-248
=8452 yuan
Cost ratio in cycle =
=
=2.85%
Cost node = periodic cost node × number of stations =8452 × 2=16904 yuan
According to the calculation, after the new tool is used, in each cost calculation period (one year), the fixed expenditure of the tool can be saved by each workbench position for 169904 yuan, the use cost of the new tool only accounts for 2.85% of the cost of the original tool, the fixed expenditure caused by the use of the tool is greatly saved, and the cost saving and the consumption reduction are realized.
2. Cost of labor accounting
(1) Artificial unit price calculation
And (4) carrying out labor cost accounting according to the station wagons and average working hours of the trolley groups in the same overhaul workshop.
Labor cost per unit time =
=
=33.72 (yuan/hour).
(2) Cost of labor comparison
Original tool single-piece labor cost = unit time labor cost × original tool working hour
=33.72×15/60
=8.43 yuan
New tool single-piece labor cost = unit time labor cost × new tool man-hour
=33.72×3/60
=1.686 yuan.
(3) Labor time cost ratio, cost savings
One-piece cost ratio =
= 
=20%
The number of the overhaul transfer K5 bogies in the same overhaul workshop per year is about 200 on average, and each bogie is provided with 4 bolts.
Annual working time cost saving = (original tool labor cost-new tool labor cost) × pieces count
=（8.43-1.686）×200×4
=5395.2 yuan
According to the calculation, after the new tool is used, in each cost calculation period (one year), the total labor cost is saved by 5395.2 yuan, the labor cost of the new tool only accounts for 20% of the original tool cost, the labor cost is saved to a certain extent, and cost saving and consumption reduction are realized.
(4) Manpower cost saving
Original work needs 2 staff to go on simultaneously, uses new instrument after, and the labour cost that will save one person in every platform position is based on 5936 of every person for calculating, and big same maintenance workshop is 2 platform positions in total.
The labor cost of the station is saved within one year, namely, the cost is 5936 multiplied by 2 multiplied by 12=142464 yuan.
3. Total cost savings calculation
Annual cost savings = saved tool cost + saved labor time cost + saved labor cost
=16904+5395.2+142464
=164763.2 yuan
4. Work efficiency accounting
Work efficiency improvement ratio =
=
= 80% 。
According to the calculation, the use of the new tool can improve the working efficiency by 80 percent, and the saved time can be used for fine maintenance of other procedures.
Claims (5)
1. A tool for disassembling a folded bolt of a bogie shaking seat is characterized by comprising a shaft-shaped or rod-shaped control handle (3), wherein one end of the control handle (3) is connected with a first inner hexagonal sleeve (1), and the axis of the first inner hexagonal sleeve (1) is vertical to the long central line of the control handle (3); a bolt extractor (5) matched with the first inner hexagonal sleeve (1) is rotatably arranged on the control handle (3) at a position close to the first inner hexagonal sleeve (1), the bolt extractor (5) comprises a connecting arm and at least one plug pin arranged at one end of the connecting arm, and the other end of the connecting arm is rotatably arranged on the control handle (3); the plug pin can rotate to the first inner hexagonal sleeve (1) and extend into the first inner hexagonal sleeve (1).
2. The tool for disassembling the knuckle bolt of the bogie swing seat according to claim 1, wherein a second inner hexagonal sleeve (4) is connected to the other end of the control handle (3), and the axis of the second inner hexagonal sleeve (4) is perpendicular to the long central line of the control handle (3); a bolt extractor (5) matched with the second inner hexagonal sleeve (4) is rotatably arranged at a position close to the second inner hexagonal sleeve (4) on the control handle (3), and pins of the bolt extractor (5) can rotate to the second inner hexagonal sleeve (4) and extend into the second inner hexagonal sleeve (4).
3. The tool for disassembling the knuckle bolt of the bogie rocker seat according to claim 2, characterized in that each bolt extractor (5) is rotatably mounted on the control handle (3) by means of a rotary slot (2); rotatory draw-in groove (2) are including fixing mounting panel (21) on control handle (3) and fixing a pair of pivot nut (22) on mounting panel (21), rotate between pivot nut (22) and install a pivot (23), and the other end of the linking arm of bolt extractor (5) is installed in pivot (23).
4. The tool for disassembling the knuckle bolt of the bogie swing seat according to any one of claims 1 to 3, wherein a notch is formed in the side wall of one side of the inner hexagonal sleeve, and the control handle (3) penetrates through the notch and is fixedly connected with the inner wall of the other side of the inner hexagonal sleeve; the two pins are spaced at a certain distance, and when the bolt extractor (5) rotates into the inner hexagonal sleeve, the pins do not interfere with the control handle (3).
5. The tool for disassembling the knuckle bolt of the truck rocker seat according to claim 2 or 3, wherein the first socket head cap (1) has an inner diameter of M36 and the second socket head cap (4) has an inner diameter of M34.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120128069.8U CN214237998U (en) | 2021-01-18 | 2021-01-18 | Disassembling tool for folding head bolt of bogie shaking seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120128069.8U CN214237998U (en) | 2021-01-18 | 2021-01-18 | Disassembling tool for folding head bolt of bogie shaking seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214237998U true CN214237998U (en) | 2021-09-21 |
Family
ID=77750660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120128069.8U Expired - Fee Related CN214237998U (en) | 2021-01-18 | 2021-01-18 | Disassembling tool for folding head bolt of bogie shaking seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214237998U (en) |
-
2021
- 2021-01-18 CN CN202120128069.8U patent/CN214237998U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210921 |