CN209736898U - middle part groove is to frock - Google Patents
middle part groove is to frock Download PDFInfo
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- CN209736898U CN209736898U CN201822081958.4U CN201822081958U CN209736898U CN 209736898 U CN209736898 U CN 209736898U CN 201822081958 U CN201822081958 U CN 201822081958U CN 209736898 U CN209736898 U CN 209736898U
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Abstract
The utility model belongs to the technical field of scraper blade conveying equipment, in particular to middle part bank of cells is to frock. The middle plate positioning device is used for realizing the centering and positioning of the middle plate; the ledge positioning devices are arranged in two groups and are respectively arranged on two sides of the middle plate positioning device and used for positioning and fixing ledges on two sides; the bent plate positioning device is used for positioning the bent plate; the middle plate clamping block positioning devices are arranged on two sides of the middle plate positioning device and can slide along the direction close to or far away from the middle plate positioning device, and the middle plate clamping block positioning device is used for positioning the clamping position of the middle plate clamping block on the middle plate. The utility model discloses can realize the group in different model middle part grooves fast to the group, conveniently remodel, efficient, can satisfy the demand of middle part groove automated production.
Description
Technical Field
The utility model belongs to the technical field of scraper blade conveying equipment, in particular to middle part bank of cells is to frock.
background
With the continuous development of coal mining technology, scraper conveyors at home and abroad are continuously developed towards large transportation capacity, long distance, high power, long service life and high reliability, and correspondingly higher requirements on the research and development of all elements of the scraper conveyors are provided.
The middle groove is a key element of the conveying equipment of the scraper conveyor, and bears the severe friction of the scraper and the chain in the transportation process, so that the middle groove becomes an element with the largest use amount and consumption amount, and the service life of the middle groove is an important index for measuring the service life of the whole machine.
At present, the middle trough production process mainly adopts a welding mode, namely the two ends of the ledge are welded with the middle plate and the bent plate, the middle trough has the functions of bearing force, impact force and extrusion force of large coal rock blocks in the trough in addition to coal conveying in the using process, the severe working condition puts higher requirements on assembly of middle trough elements, particularly the assembly precision of the middle plate and the ledge directly influences the smoothness of scraper chain conveying, and the assembly precision directly influences the service life of the middle trough.
At present, most of middle grooves are manually assembled, the assembly is complicated, the labor intensity is high, the consistency is poor, the requirement of automatic production cannot be met, and most of middle grooves of the same type are provided with one set of assembly tool, so that the problems of complex and complicated tool and poor universality are caused.
SUMMERY OF THE UTILITY MODEL
To the problem, an object of the utility model is to provide a middle part groove group is to frock to solve and adopt artifical group to be to, there is the problem to loaded down with trivial details, intensity of labour is high, the uniformity is poor, can't satisfy automated production's demand.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a middle groove group alignment tool comprises a base, and a middle plate positioning device, a ledge positioning device and a bent plate positioning device which are arranged on the base, wherein the middle plate positioning device is used for realizing the alignment and positioning of a middle plate and a middle plate clamping block positioning device; the ledge positioning devices are arranged in two groups and are respectively arranged on two sides of the middle plate positioning device and used for positioning and fixing ledges on two sides of the middle plate; the bent plate positioning device is used for positioning the bent plate; the middle plate clamping block positioning devices are arranged on two sides of the middle plate positioning device and can slide along the direction close to or far away from the middle plate positioning device, and the middle plate clamping block positioning device is used for positioning the clamping position of the middle plate clamping block on the middle plate.
The middle plate positioning device comprises a middle plate centering mechanism, a middle plate supporting column and a bottom adsorption fixing mechanism, wherein the middle plate supporting column is located below the middle plate centering mechanism and penetrates through the middle plate centering mechanism to support the middle plate, the middle plate centering mechanism is used for centering the middle plate on the middle plate supporting column, and the bottom adsorption fixing mechanism is arranged on the base and used for adsorbing and fixing the middle plate.
The middle plate centering mechanism comprises a centering lifter and a centering lifting platform connected with the output end of the centering lifter, and the centering lifting platform is provided with a width centering mechanism and a length centering mechanism which are used for centering in the width direction and the length direction of the centering plate respectively.
The width centering mechanism comprises a connecting rod mechanism, a first width positioning claw, a second width positioning claw and a width positioning claw linear driving mechanism, wherein the first width positioning claw and the second width positioning claw are respectively arranged on two sides of the centering lifting platform and can slide along the width direction, the connecting rod mechanism is arranged on the centering lifting platform and is hinged to the first width positioning claw and the second width positioning claw, the width positioning claw linear driving mechanism is arranged on the centering lifting platform and outputs power along the width direction of the middle plate, and the output end of the width positioning claw linear driving mechanism is connected with the first width positioning claw or the second width positioning claw.
the length centering mechanism comprises a length positioning claw arranged at one end of the centering lifting platform, and the length positioning claw can slide along the length direction of the middle plate.
The ledge positioning device comprises a gantry sliding table mechanism, a pin shaft positioning mechanism, a bottom lifting platform, a bottom jacking mechanism, a lateral adjusting table and a lateral pushing mechanism, wherein the bottom lifting platform is arranged on the bottom jacking mechanism, the lateral adjusting table is arranged on the bottom lifting platform and can move along the width direction of the middle plate, and the lateral pushing mechanism is arranged on the bottom lifting platform and is used for laterally driving a ledge to make the ledge contact with a lateral end face positioning wheel arranged on the inner side of the lateral adjusting table; the pin shaft positioning mechanisms are arranged at two ends of the lateral adjusting table and are used for positioning the ledge in the length direction and the width direction at the same time; the gantry sliding table mechanisms are two groups and are arranged at two ends of the base in a sliding mode and are used for being matched with the bottom jacking mechanism to position the ledge.
two sets of longmen slip table mechanism structure is the same, all includes portal frame and two sets of crossbeam jacking piece withdrawing mechanism, the lower extreme of portal frame with base sliding connection, two sets of crossbeam jacking piece withdrawing mechanism set up in on the crossbeam of portal frame, and respectively with two sets of ledge positioner is corresponding.
the crossbeam jacking piece withdrawing mechanism comprises a crossbeam jacking piece driving mechanism, a crossbeam jacking piece and a tension spring, wherein the crossbeam jacking piece can be connected with the crossbeam of the portal frame in a sliding manner along the vertical direction, the crossbeam jacking piece driving mechanism is arranged on the crossbeam of the portal frame and the output end of the crossbeam jacking piece is connected with the crossbeam jacking piece for driving the crossbeam jacking piece to descend, and the two ends of the tension spring are respectively connected with the portal frame and the crossbeam jacking piece for resetting the crossbeam jacking piece.
crossbeam jacking piece actuating mechanism is along horizontal direction output power, and the output is connected with the wedge, the wedge with wedge groove cooperation on the crossbeam jacking piece, roof beam jacking piece actuating mechanism drive wedge stretches out, thereby promotes the decline of crossbeam jacking piece.
The bent plate positioning device is a positioning guiding rule.
the utility model has the advantages and beneficial effects that: the utility model provides a pair of middle part bank of cells is to device, can realize the group in different model middle parts grooves fast to the group, conveniently remodel, efficient, can satisfy middle part groove automated production's demand.
the utility model discloses a control round pin axle positioning mechanism, the round pin spindle nose is toper round pin axle construction, can realize that ledge fine setting about and about simultaneously.
The beam jacking block withdrawing mechanism of the utility model adopts the wedge-shaped block structure in the embodiment and can move integrally, is suitable for the model changing of different models, achieves the withdrawing of the jacking block through the combined action of the cylinder withdrawing and the tension spring,
The utility model discloses the biggest advantage can realize trading the type fast on a frock to the while group that can realize a frock medium plate and bent plate is right.
Drawings
fig. 1 is an isometric view of the present invention;
FIG. 2 is a schematic view of the working state of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a left side view of FIG. 3;
FIG. 5 is a top view of FIG. 3;
FIG. 6 is a schematic structural view of the gantry sliding table mechanism of the present invention;
Fig. 7 is a schematic structural diagram of the middle plate centering mechanism of the present invention.
in the figure: 1 is a base, 2 is a remodeling hand wheel, 3 is a lateral adjusting table, 4 is a Y-axis guide rail, 5 is a gantry sliding table motor, 6 is a gantry sliding table mechanism, 601 is a chute, 602 is a gantry, 603 is a beam jacking block driving mechanism, 604 is a wedge-shaped block, 605 is a beam jacking block, 606 is a tension spring, 7 is a pin shaft positioning mechanism, 8 is a middle groove bent plate, 9 is a middle groove middle plate, 10 is a middle groove ledge, 11 is a middle plate clamping block, 12 is an X-axis moving seat, 13 is an X-axis guide rail, 14 is a middle plate centering mechanism, 141 is a centering lifting platform, 142 is a connecting rod mechanism, 1421 is a middle rotating rod, 2 is a first connecting rod, 1423 is a second connecting rod, 143 is a first width positioning claw, 144 is a second width positioning claw, 145 is a width positioning claw linear driving mechanism, 146 is a centering lifter, 147 is an electromagnet, 148 is a length positioning claw, 15 is a bottom profiling lath, 16 is a bottom wear-resistant lifting platform, 17 is a bottom jacking mechanism, 18 is a middle plate support column, 19 is a side end face positioning wheel, 20 is a side pushing mechanism, and 21 is a middle plate clamping block positioning seat.
Detailed Description
at present, most of middle grooves are manually assembled, the assembly is complicated, the labor intensity is high, the consistency is poor, the requirement of automatic production cannot be met, and most of middle grooves of the same type are provided with one set of assembly tool, so that the problems of complex and complicated tool and poor universality are caused.
To the problem that prior art exists, the utility model discloses can realize trading the type fast on a frock to can realize the while group of a frock medium plate and bent plate. The assembly of different models of middle part grooves can be realized fast, the convenient remodelling and the high efficiency are realized, and the requirement of automatic production of the middle part grooves can be met.
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-5, the utility model provides a middle slot assembling tool, which comprises a base 1, a middle plate positioning device, a ledge positioning device, a bent plate positioning device and a middle plate clamping block positioning device, wherein the middle plate positioning device is arranged on the base 1 and is used for realizing the centering and positioning of a middle plate; the ledge positioning devices are arranged in two groups and are respectively arranged on two sides of the middle plate positioning device and used for positioning and fixing ledges on two sides; the bent plate positioning device is used for positioning the bent plate; the middle plate clamping block positioning devices are arranged on two sides of the middle plate positioning device and can slide along the direction close to or far away from the middle plate positioning device, and the middle plate clamping block positioning device is used for positioning the clamping position of the middle plate clamping block on the middle plate.
The middle plate positioning device comprises a middle plate centering mechanism 14, a middle plate supporting column 18 and a bottom adsorption fixing mechanism, wherein the middle plate supporting column 18 is located below the middle plate centering mechanism 14 and penetrates through the middle plate centering mechanism for supporting the middle plate, the middle plate centering mechanism 14 is used for centering the middle plate on the middle plate supporting column 18, and the bottom adsorption fixing mechanism is arranged on the base 1 and used for adsorbing and fixing the middle plate. The middle plate support column 18 can be disassembled and replaced.
As shown in fig. 7, the middle plate centering mechanism 14 includes a centering elevator 146 and a centering lifting platform 141 connected to an output end of the centering elevator 146, and the centering lifting platform 141 is provided with a width centering mechanism and a length centering mechanism for centering the middle plate in the width direction and the length direction, respectively. The four corners of centering lift 146 are slidably connected to four middle plate support posts 18.
The width centering mechanism comprises a link mechanism 142, a first width positioning claw 143, a second width positioning claw 144 and a width positioning claw linear driving mechanism 145, wherein the first width positioning claw 143 and the second width positioning claw 144 are respectively arranged on two sides of the centering lifting platform 141 and can slide along the width direction, the link mechanism 142 is arranged on the centering lifting platform 141 and is hinged with the first width positioning claw 143 and the second width positioning claw 144, the width positioning claw linear driving mechanism 145 is arranged on the centering lifting platform 141 and outputs power along the width direction of the middle plate, and an output end of the width positioning claw linear driving mechanism 145 is connected with the first width positioning claw 143 or the second width positioning claw 144.
The length centering mechanism comprises a length positioning claw 148 arranged at one end of the centering lifting platform 141, and the length positioning claw 148 can slide along the length direction of the middle plate.
The ledge positioning device comprises a gantry sliding table mechanism 6, a pin shaft positioning mechanism 7, a bottom lifting platform 16, a bottom jacking mechanism 17, a lateral adjusting platform 3 and a lateral pushing mechanism 20, wherein the bottom lifting platform 16 is arranged on the bottom jacking mechanism 17, the lateral adjusting platform 3 is arranged on the bottom lifting platform 16 and can move along the width direction of the middle plate, and the lateral pushing mechanism 20 is arranged on the bottom lifting platform 16 and is used for laterally driving a ledge to contact with a lateral end face positioning wheel 19 arranged on the inner side of the lateral adjusting platform 3; the pin shaft positioning mechanisms 7 are arranged at two ends of the lateral adjusting table 3 and are used for simultaneously positioning the lengths and the widths of the ledges; the two sets of gantry sliding table mechanisms 6 are arranged at two ends of the base 1 in a sliding mode and are used for being matched with the bottom jacking mechanism 17 to position the ledge.
the side adjusting table 3 is detachably provided with a bottom wear-resistant profiling slat on the contact surface with the middle groove ledge. The width direction of the middle groove can be manually adjusted by a shape-changing hand wheel 2 to form a lateral adjusting table 3.
As shown in fig. 6, the two sets of gantry sliding table mechanisms 6 have the same structure, and each include a gantry 602 and two sets of beam jacking block retracting mechanisms, the lower end of the gantry 602 is slidably connected to the base 1, and the two sets of beam jacking block retracting mechanisms are disposed on the beam of the gantry 602 and respectively correspond to the two sets of ledge positioning devices.
The beam jacking block withdrawing mechanism comprises a beam jacking block driving mechanism 603, a beam jacking block 605 and a tension spring 606, wherein the beam jacking block 605 can be connected with a beam of the portal frame 602 in a sliding manner along the vertical direction, the beam jacking block driving mechanism 603 is arranged on the beam of the portal frame 602, the output end of the beam jacking block driving mechanism is connected with the beam jacking block 605 and used for driving the beam jacking block 605 to descend, and two ends of the tension spring 606 are respectively connected with the portal frame 602 and the beam jacking block 605 and used for resetting the beam jacking block 605.
The beam jacking block driving mechanism 603 outputs power along the horizontal direction, the output end of the beam jacking block driving mechanism is connected with a wedge block 604, the wedge block 604 is matched with a wedge groove on the beam jacking block 605, and the beam jacking block driving mechanism 603 drives the wedge block 604 to extend out, so that the beam jacking block 605 is pushed to descend.
The bent plate positioning device is a positioning guiding rule. The beam jacking block driving mechanism 603 is driven by a cylinder.
The pin shaft positioning mechanism 7 is driven by a hydraulic cylinder in the length direction of the middle groove to stretch and position a pin shaft, and the left pin shaft positioning mechanism and the right pin shaft positioning mechanism are fixed at one end and adjustable at the other end. The beam jacking block withdrawing mechanism adopts a wedge-shaped block structure and can integrally move, is suitable for model changing of different models, achieves the withdrawing of the beam jacking block 605 through the combined action of the cylinder withdrawing and the tension spring, but is not limited to the structure in the example.
The middle plate support column 18, the side end face positioning wheel 19 and the middle plate clamping block positioning seat can be detached and replaced. The gantry sliding table mechanism 6 is driven by a gantry sliding table motor, and the bottom surface jacking mechanism and the bottom side pushing mechanism are driven by hydraulic cylinders. The bottom adsorption fixing mechanism is two magnets 147.
Middle plate clamp splice positioner is two sets of, and sets up respectively in base 1's both sides, and two sets of middle plate clamp splice positioner structures are the same, all include X axle removal seat 12 and set up middle plate clamp splice positioning seat 21 on X axle removal seat 12, wherein X axle removal seat 12 and the X axle guide rail 13 sliding connection who is equipped with on the base 1, middle plate clamp splice positioning seat 21 is used for fixing a position middle plate clamp splice 11, and middle plate clamp splice 11 passes through bolt and middle plate fixed connection.
the utility model discloses a group is to the step:
1. The centering lifter 146 drives the middle plate centering mechanism 14 to rise to a specified position, and a positioning claw of the middle plate centering mechanism is opened;
2. Manually hanging the middle plate on the middle plate support column 18;
3. The positioning claw of the middle plate centering mechanism begins to clamp, and the middle plate is centered;
4. The electromagnet 147 sucks the middle plate to fix;
5. withdrawing the middle plate centering mechanism 14, and starting to install the middle plate clamping block;
6. Manually hoisting the middle plate clamping block to the middle plate clamping block positioning seat, manually pushing the movable support to fix the middle plate clamping block and the middle plate, and starting assembling ledges at two ends;
7. The ledge is manually hung on the bottom wear-resistant profiling slat 15, and one end of the wear-resistant profiling slat 15 is provided with a guide slope angle, so that coarse positioning can be realized;
8. The bottom side pushing mechanism 20 starts to work, and the processing surface on the inner side of the ledge is tightly attached to the side end face positioning wheel 19;
9. The gantry sliding table mechanism 6 moves to the position of the upper surface machining surface of the ledge;
10. the left and right pin shaft positioning mechanisms 7 start to work, the left and right pin shafts are inserted into the ledge positioning pin shaft holes through the heavy guide bases, and the side ends of the heavy guide bases are provided with positioning blocks to realize the positioning in the length direction;
11. The bottom surface hydraulic jacking mechanism starts to work to drive the ledges at the two ends to move upwards and is fixed after being contacted with the jacking block withdrawing mechanism on the beam of the gantry sliding table mechanism;
12. spot welding of the middle plate and the ledge, spot welding of a run-on arc plate, a lacing wire and the like are started;
13. the jacking block withdrawing mechanism starts to work and generates a gap with the machined surface of the upper surface of the ledge;
14. the gantry sliding table mechanism 6 is retracted to a designated position;
15. Assembling and spot-welding the bent plate by a positioning guiding rule;
16. And (5) withdrawing the electromagnet, and operating the assembled middle tank to the next procedure.
The utility model is used for assembling the middle groove middle plate and the two ends of the ledge, manually performing spot welding after the assembly is completed, and performing spot welding at the two ends of the welding line to trigger the arc striking plate and the lacing wire; and manually spot-welding the bent plate and the ledge after the middle plate assembly is finished. The utility model discloses can realize the group in different model middle part grooves fast to the group, conveniently remodel, efficient, can satisfy the demand of middle part groove automated production.
The above description is only for the embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, extension, etc. made within the spirit and principle of the present invention are all included in the protection scope of the present invention.
Claims (10)
1. A middle slot group alignment tool is characterized by comprising a base (1), and a middle plate positioning device, a ledge positioning device, a bent plate positioning device and a middle plate clamping block positioning device which are arranged on the base (1),
The middle plate positioning device is used for realizing the centering and positioning of the middle plate;
The ledge positioning devices are arranged in two groups and are respectively arranged on two sides of the middle plate positioning device and used for positioning and fixing ledges on two sides of the middle plate;
The bent plate positioning device is used for positioning the bent plate;
the middle plate clamping block positioning devices are arranged on two sides of the middle plate positioning device and can slide along the direction close to or far away from the middle plate positioning device, and the middle plate clamping block positioning device is used for positioning the clamping position of the middle plate clamping block on the middle plate.
2. The middle slot pairing tooling as claimed in claim 1, wherein the middle plate positioning device comprises a middle plate centering mechanism (14), a middle plate support column (18) and a bottom adsorption fixing mechanism, wherein the middle plate support column (18) is located below the middle plate centering mechanism (14), penetrates through the middle plate centering mechanism (14) and is used for supporting a middle plate, the middle plate centering mechanism (14) is used for centering the middle plate on the middle plate support column (18), and the bottom adsorption fixing mechanism is arranged on the base (1) and is used for adsorbing and fixing the middle plate.
3. The middle trough group aligning tool according to claim 2, wherein the middle plate centering mechanism (14) comprises a centering elevator (146) and a centering lifting platform (141) connected with an output end of the centering elevator (146), and a width centering mechanism and a length centering mechanism for centering the centering plate in the width direction and the length direction are arranged on the centering lifting platform (141).
4. The middle slot group alignment tooling of claim 3, wherein the width alignment mechanism comprises a linkage mechanism (142), a first width positioning pawl (143), a second width positioning pawl (144), and a width positioning pawl linear drive mechanism (145), wherein the first width positioning claw (143) and the second width positioning claw (144) are respectively arranged at two sides of the centering lifting platform (141) and can slide along the width direction, the link mechanism (142) is arranged on the centering lifting platform (141) and is hinged with the first width positioning claw (143) and the second width positioning claw (144), the width positioning claw linear driving mechanism (145) is arranged on the centering lifting platform (141) and outputs power along the width direction of the middle plate, the output end of the width positioning claw linear driving mechanism (145) is connected with the first width positioning claw (143) or the second width positioning claw (144).
5. The middle tank group aligning tool according to claim 3, wherein the length aligning mechanism comprises a length positioning claw (148) arranged at one end of the aligning lifting platform (141), and the length positioning claw (148) can slide along the length direction of the middle plate.
6. the middle trough pairing tooling is characterized in that the trough ledge positioning device comprises a gantry sliding table mechanism (6), a pin shaft positioning mechanism (7), a bottom lifting platform (16), a bottom jacking mechanism (17), a lateral adjusting platform (3) and a lateral pushing mechanism (20), wherein the bottom lifting platform (16) is arranged on the bottom jacking mechanism (17), the lateral adjusting platform (3) is arranged on the bottom lifting platform (16) and can move along the width direction of the middle plate, and the lateral pushing mechanism (20) is arranged on the bottom lifting platform (16) and is used for laterally driving a trough ledge to contact with a lateral end face positioning wheel (19) arranged on the inner side of the lateral adjusting platform (3); the pin shaft positioning mechanisms (7) are arranged at two ends of the lateral adjusting table (3) and are used for positioning the ledge in the length direction and the width direction at the same time; the gantry sliding table mechanisms (6) are two groups and are arranged at two ends of the base (1) in a sliding mode and used for being matched with the bottom jacking mechanism (17) to position the ledge.
7. the middle trough pairing tooling as claimed in claim 6, wherein the two sets of gantry sliding table mechanisms (6) have the same structure and each include a gantry (602) and two sets of beam jacking block withdrawing mechanisms, the lower end of the gantry (602) is slidably connected with the base (1), and the two sets of beam jacking block withdrawing mechanisms are arranged on a beam of the gantry (602) and respectively correspond to the two sets of ledge positioning devices.
8. the middle trough group pairing tool according to claim 7, wherein the beam jacking block withdrawing mechanism comprises a beam jacking block driving mechanism (603), a beam jacking block (605) and a tension spring (606), wherein the beam jacking block (605) is slidably connected with a beam of the portal frame (602) along a vertical direction, the beam jacking block driving mechanism (603) is arranged on a beam of the portal frame (602), an output end of the beam jacking block driving mechanism is connected with the beam jacking block (605) and used for driving the beam jacking block (605) to descend, and two ends of the tension spring (606) are respectively connected with the portal frame (602) and the beam jacking block (605) and used for resetting the beam jacking block (605).
9. The middle slot pairing tooling as claimed in claim 8, wherein the beam jacking block driving mechanism (603) outputs power in the horizontal direction, and an output end of the beam jacking block driving mechanism is connected with a wedge block (604), the wedge block (604) is matched with a wedge groove on the beam jacking block (605), and the beam jacking block driving mechanism (603) drives the wedge block (604) to extend out, so as to push the beam jacking block (605) to descend.
10. The middle slot pairing tooling of claim 1, wherein the bent plate positioning device is a positioning guiding rule.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822081958.4U CN209736898U (en) | 2018-12-11 | 2018-12-11 | middle part groove is to frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822081958.4U CN209736898U (en) | 2018-12-11 | 2018-12-11 | middle part groove is to frock |
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| Publication Number | Publication Date |
|---|---|
| CN209736898U true CN209736898U (en) | 2019-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822081958.4U Active CN209736898U (en) | 2018-12-11 | 2018-12-11 | middle part groove is to frock |
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| CN (1) | CN209736898U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114535896A (en) * | 2020-11-25 | 2022-05-27 | 郑州煤机长壁机械有限公司 | C-shaped groove assembling tool |
-
2018
- 2018-12-11 CN CN201822081958.4U patent/CN209736898U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114535896A (en) * | 2020-11-25 | 2022-05-27 | 郑州煤机长壁机械有限公司 | C-shaped groove assembling tool |
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