CN214978888U - Crane frame clamping device - Google Patents
Crane frame clamping device Download PDFInfo
- Publication number
- CN214978888U CN214978888U CN202121436254.XU CN202121436254U CN214978888U CN 214978888 U CN214978888 U CN 214978888U CN 202121436254 U CN202121436254 U CN 202121436254U CN 214978888 U CN214978888 U CN 214978888U
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- bottom plate
- fixed
- block
- crane frame
- clamping
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Abstract
本实用新型公开了一种起重机车架夹持装置，包括底板、右夹持机构及左夹持机构；右夹持机构包括右载板、限位件、右夹块及右驱动件，右载板沿底板的长度方向滑动设置于底板上，限位件固定于右载板上；左夹持机构包括左夹块及左驱动件。本实用新型提出的技术方案的有益效果是：通过将右夹块滑动设置于右载板上，并使右载板滑动设置于底板上，从而可通过移动右载板来调节左夹块与右夹块之间的距离，当右载板移动到合适位置后，通过限位件将右载板固定在底板上，然后通过右驱动件及左驱动件分别驱动右夹块及左夹块抵持于起重机车架的两侧，从而实现了对起重机车架的固定，通过本装置可适应不同长度的起重机车架的固定，降低了装置生产成本。
The utility model discloses a crane frame clamping device, which comprises a bottom plate, a right clamping mechanism and a left clamping mechanism; the right clamping mechanism comprises a right carrier plate, a limiting piece, a right clamping block and a right driving piece. The plate is slidably arranged on the bottom plate along the length direction of the bottom plate, and the limiting member is fixed on the right carrier plate; the left clamping mechanism includes a left clamping block and a left driving member. The beneficial effect of the technical solution proposed by the utility model is that: by sliding the right clamping block on the right carrier plate and sliding the right carrier plate on the bottom plate, the left clamping block and the right clamping block can be adjusted by moving the right carrier plate. The distance between the clamping blocks, when the right carrier plate is moved to the proper position, the right carrier plate is fixed on the bottom plate by the limiter, and then the right and left clamping blocks are driven by the right driving member and the left driving member respectively. The device is located on both sides of the crane frame, thereby realizing the fixation of the crane frame, and the device can adapt to the fixing of the crane frames of different lengths, thereby reducing the production cost of the device.
Description
Technical Field
The utility model belongs to the technical field of crane frame processing technique and specifically relates to a crane frame clamping device is related to.
Background
During the production process of the crane equipment, the production, processing and assembly of each component are required. The crane frame is used as a main frame and plays an important bearing role. Therefore, the welding quality of the frame is of great importance during the production, machining and assembly of crane cars.
Need at first carry out the centre gripping to the crane frame when the crane frame welds fixedly, current crane frame clamping device can only adapt to the fixed of the crane frame of specific length, chinese utility model patent that application number is CN201620899961.5 for example discloses a crane frame welding equipment, this equipment can only centre gripping crane frame of specific length, when the crane model changes, because the hoist of different models is for adapting to different use scenes, its frame length can change, thereby need redesign the new clamping device of preparation, consequently, current crane frame clamping device can not adapt to the fixed of the crane frame of different length, lead to clamping device manufacturing cost to increase.
SUMMERY OF THE UTILITY MODEL
In view of the above, there is a need to provide a crane frame clamping device for solving the technical problem that the conventional crane frame clamping device cannot be adapted to the fixation of crane frames with different lengths.
In order to achieve the purpose, the utility model provides a crane frame clamping device, which comprises a bottom plate, a right clamping mechanism and a left clamping mechanism;
the bottom plate is used for placing the crane frame;
the right clamping mechanism comprises a right support plate, a limiting part, a right clamping block and a right driving part, the right support plate is arranged on the bottom plate in a sliding mode along the length direction of the bottom plate, the limiting part is fixed on the right support plate, the limiting part is detachably connected with the bottom plate, the right clamping block is arranged on the right support plate in a sliding mode, and the right driving part is connected with the right clamping block and used for driving the right clamping block to abut against one end of the crane frame;
the left clamping mechanism comprises a left clamping block and a left driving piece, the left clamping block is arranged on the bottom plate in a sliding mode along the length direction of the bottom plate, and the left driving piece is connected with the left clamping block and used for driving the left clamping block to abut against the other end of the crane frame.
Preferably, the right clamping mechanism further comprises a right guide rail and a right sliding block, the right guide rail is fixed on the bottom plate along the length direction of the bottom plate, the right sliding block is fixed on the right carrier plate, a right clamping groove matched with the right guide rail is formed in the right sliding block, and the right sliding block is arranged on the right guide rail through the right clamping groove in a sliding mode.
Preferably, the right clamping mechanism further comprises a sliding driving part, and the sliding driving part comprises a rack, a gear and a sliding driving motor; the rack is fixed on the bottom plate along the length direction of the bottom plate; the gear is rotationally arranged on the right carrier plate and is meshed with the rack; the sliding driving motor is connected with the gear and is used for driving the gear to rotate.
Preferably, the locating part includes spacing, spacer pin and spacing cylinder, spacing is followed the length direction of bottom plate is fixed in on the bottom plate, spacing is gone up to have seted up the spacing hole of a plurality of along length direction, the cylinder body of spacing cylinder is fixed in on the right side support plate, the output shaft of spacing cylinder with spacer pin connection just is used for making the spacer pin insert and locates in spacing downthehole.
Preferably, the crane frame clamping device further comprises a first pressing mechanism, the first pressing mechanism comprises a first pressing block and a first pressing cylinder, a cylinder body of the first pressing cylinder is fixed on the right support plate, and an output shaft of the first pressing cylinder is connected with the first pressing block and used for driving the first pressing block to be pressed on the crane frame.
Preferably, the first pressing mechanism further comprises a guide pillar and a guide rod, the guide pillar is fixed on the right support plate, the guide rod is slidably inserted into the guide pillar, and the guide rod is parallel to an output shaft of the first pressing cylinder.
Preferably, left fixture still includes left support plate, left side support plate is followed the length direction of bottom plate slide set up in on the bottom plate, be fixed with on the support plate of a left side left clamp splice, left side driving piece with left side support plate is connected and is used for the drive left side support plate removes.
Preferably, the left clamping mechanism further comprises a left guide rail and a left sliding block, the left guide rail is fixed on the bottom plate along the length direction of the bottom plate, the left sliding block is fixed on the left carrier plate, a left clamping groove matched with the left guide rail is formed in the left sliding block, and the left sliding block is arranged on the left guide rail through the left clamping groove in a sliding mode.
Preferably, the crane frame clamping device further comprises a second pressing mechanism, the second pressing mechanism comprises a stand column, a vertical guide rail, a vertical sliding block, a second pressing block and a second pressing cylinder, the stand column is vertically fixed on the bottom plate, the vertical guide rail is fixed on the stand column along the length direction of the stand column, the vertical sliding block is connected with the vertical guide rail in a sliding mode, the second pressing block is fixed on the vertical sliding block, a cylinder body of the second pressing cylinder is fixed on the stand column, and an output shaft of the second pressing cylinder is connected with the second pressing block and used for driving the second pressing block to be pressed on the crane frame.
Preferably, the crane frame clamping device further comprises a front clamping mechanism and a rear clamping mechanism, wherein the front clamping mechanism and the rear clamping mechanism comprise a rear clamping block, a front guide rail, a front sliding block, a front clamping block and a front driving cylinder, the rear clamping block is fixed on the bottom plate and used for being abutted to the crane frame, the front guide rail is fixed on the bottom plate, the front sliding block is arranged on the front guide rail in a sliding mode, the front clamping block is fixed on the front sliding block, and the front driving cylinder is connected with the front clamping block and used for driving the front clamping block to be abutted to the crane frame.
Compared with the prior art, the utility model provides a technical scheme's beneficial effect is: the right clamping block is arranged on the right carrier plate in a sliding mode, the right carrier plate is arranged on the bottom plate in a sliding mode, the distance between the left clamping block and the right clamping block can be adjusted by moving the right carrier plate, after the right carrier plate moves to a proper position, the right carrier plate is fixed on the bottom plate through the limiting part, the right clamping block and the left clamping block are respectively driven to abut against the two sides of the crane frame through the right driving part and the left driving part, and therefore the crane frame is fixed.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of a crane frame clamping device provided in the present invention;
FIG. 2 is a schematic perspective view of the right clamping mechanism and the first pressing mechanism in FIG. 1;
FIG. 3 is a perspective view of the right clamping mechanism and the first pressing mechanism of FIG. 2 from another perspective;
FIG. 4 is a schematic perspective view of the left clamping mechanism and the second pressing mechanism in FIG. 1;
FIG. 5 is a schematic perspective view of the front and rear clamping mechanisms of FIG. 1;
in the figure: 1-bottom plate, 2-right clamping mechanism, 3-left clamping mechanism, 4-first clamping mechanism, 5-second clamping mechanism, 6-front and back clamping mechanism, 21-right carrier plate, 22-limiting piece, 221-limiting strip, 2211-limiting hole, 222-limiting pin, 223-limiting cylinder, 23-right clamping block, 24-right driving piece, 25-right guide rail, 26-right sliding block, 27-sliding driving piece, 271-rack, 272-gear, 273-sliding driving motor, 31-left clamping block, 32-left driving piece, 33-left carrier plate, 34-left guide rail, 35-left sliding block, 41-first pressing block, 42-first clamping cylinder, 43-guide pillar, 44-guide rod, 51-upright post, 52-vertical guide rail, 53-vertical slide block, 54-second press block, 55-second pressing cylinder, 61-rear clamping block, 62-front guide rail, 63-front slide block, 64-front clamping block and 65-front driving cylinder.
Detailed Description
The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of this application, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit its scope.
Referring to fig. 1, fig. 1 is a schematic perspective view of an embodiment of a crane frame clamping device provided in the present invention, the crane frame clamping device includes a bottom plate 1, a right clamping mechanism 2 and a left clamping mechanism 3. The base plate 1 is used for placing the crane carriage (not shown).
Referring to fig. 1 to fig. 3, the right clamping mechanism 2 includes a right carrier plate 21, a limiting member 22, a right clamping block 23 and a right driving member 24, the right carrier plate 21 is slidably disposed on the bottom plate 1 along the length direction of the bottom plate 1, the limiting member 22 is fixed on the right carrier plate 21, the limiting member 22 is detachably connected to the bottom plate 1, the right clamping block 23 is slidably disposed on the right carrier plate 21, the right driving member 24 is connected to the right clamping block 23 and is configured to drive the right clamping block 23 to abut against one end of the crane frame, in this embodiment, the right driving member 24 is a right cylinder, a cylinder body of the right cylinder is fixed on the right carrier plate 21, and an output shaft of the right cylinder is fixedly connected to the right clamping block 23.
Referring to fig. 1 and 4, the left clamping mechanism 3 includes a left clamping block 31 and a left driving member 32, the left clamping block 31 is slidably disposed on the bottom plate 1 along the length direction of the bottom plate 1, and the left driving member 32 is connected to the left clamping block 31 and is used for driving the left clamping block 31 to abut against the other end of the crane frame.
When the crane frame is used, firstly, the crane frame is placed on the bottom plate 1, the placing position of the crane frame is close to the left clamping block 31 as much as possible, then the right carrier plate 21 is moved, the right clamping block 23 is close to the crane frame as much as possible, then the limiting part 22 is fixedly connected with the bottom plate 1, so that the right carrier plate 21 is kept fixed, then the left clamping block 31 is driven to abut against the left side of the crane frame through the left driving part 32, and the right clamping block 23 is driven to abut against the right side of the crane frame through the right driving part 24, so that the crane frame is fixed on the bottom plate 1, and subsequent welding construction is facilitated.
The utility model discloses a slide right clamp splice 23 and set up on right support plate 21, and make right support plate 21 slide and set up on bottom plate 1, thereby the accessible removes right support plate 21 and adjusts the distance between left clamp splice 31 and the right clamp splice 23, after right support plate 21 removes suitable position, fix right support plate 21 on bottom plate 1 through locating part 22, then drive right clamp splice 23 and left clamp splice 31 respectively through right driving piece 24 and left driving piece 32 and support the both sides of holding in crane frame, thereby realized fixing crane frame, crane frame's through the adaptable different length of this device is fixed, device manufacturing cost has been reduced.
In order to realize the sliding connection between the right clamping block 23 and the bottom plate 1, referring to fig. 1-3, in a preferred embodiment, the right clamping mechanism 2 further includes a right guide rail 25 and a right slider 26, the right guide rail 25 is fixed on the bottom plate 1 along the length direction of the bottom plate 1, the right slider 26 is fixed on the right carrier plate 21, a right slot matched with the right guide rail 25 is formed on the right slider 26, and the right slider 26 is slidably disposed on the right guide rail 25 through the right slot.
In order to facilitate moving the right carrier plate 21, referring to fig. 1-3, in a preferred embodiment, the right clamping mechanism 2 further includes a sliding driving member 27, and the sliding driving member 27 includes a rack 271, a gear 272, and a sliding driving motor 273; the rack 271 is fixed on the bottom plate 1 along the length direction of the bottom plate 1; the gear 272 is rotatably disposed on the right carrier plate 21, and the gear 272 is engaged with the rack 271; the sliding driving motor 273 is connected with the gear 272 and is used for driving the gear 272 to rotate, and when the right carrier plate 21 needs to be moved in use, the sliding driving motor 273 drives the gear 272 to rotate, so that the gear 272 moves along the rack 271, and the right carrier plate 21 is driven to move.
In order to specifically realize the function of the limiting member 22, referring to fig. 1-3, in a preferred embodiment, the limiting member 22 includes a limiting strip 221, a limiting pin 222 and a limiting cylinder 223, the limiting strip 221 is fixed on the bottom plate 1 along the length direction of the bottom plate 1, a plurality of limiting holes 2211 are formed in the limiting strip 221 along the length direction, a cylinder body of the limiting cylinder 223 is fixed on the right carrier plate 21, an output shaft of the limiting cylinder 223 is connected with the limiting pin 222 and is used for inserting the limiting pin 222 into the limiting holes 2211, when in use, after the right carrier plate 21 moves to a proper position, the output shaft of the limiting cylinder 223 extends out to drive the limiting pin 222 to be inserted into the limiting holes 2211, so that the right carrier plate 21 is fixed on the bottom plate 1.
In order to better fix the crane frame, referring to fig. 1-3, in a preferred embodiment, the crane frame clamping device further includes a first pressing mechanism 4, the first pressing mechanism 4 includes a first pressing block 41 and a first pressing cylinder 42, a cylinder body of the first pressing cylinder 42 is fixed on the right carrier plate 21, and an output shaft of the first pressing cylinder 42 is connected to the first pressing block 41 and is used for driving the first pressing block 41 to be pressed on the crane frame.
In order to stabilize the ascending and descending process of the first pressing block 41, referring to fig. 1-3, in a preferred embodiment, the first pressing mechanism 4 further includes a guide post 43 and a guide rod 44, the guide post 43 is fixed on the right carrier plate 21, the guide rod 44 is slidably inserted into the guide post 43, the guide rod 44 is parallel to the output shaft of the first pressing cylinder 42, and the ascending and descending process of the first pressing block 41 is stabilized by the cooperation of the guide post 43 and the guide rod 44.
In order to realize the sliding connection between the left clamping block 31 and the bottom plate 1, referring to fig. 1 and fig. 4, in a preferred embodiment, the left clamping mechanism 3 further includes a left carrier plate 33, the left carrier plate 33 is slidably disposed on the bottom plate 1 along the length direction of the bottom plate 1, the left clamping block 31 is fixed on the left carrier plate 33, the left driving member 32 is connected to the left carrier plate 33 and is used for driving the left carrier plate 33 to move, in this embodiment, the left driving member 32 is a left air cylinder, a cylinder body of the left air cylinder is fixed on the bottom plate 1, and an output shaft of the left air cylinder is fixedly connected to the left carrier plate 33.
In order to realize the sliding connection between the left carrier 33 and the bottom plate 1, please refer to fig. 1 and 4, in a preferred embodiment, the left clamping mechanism 3 further includes a left guide rail 34 and a left slider 35, the left guide rail 34 is fixed on the bottom plate 1 along the length direction of the bottom plate 1, the left slider 35 is fixed on the left carrier 33, a left slot matched with the left guide rail 34 is formed on the left slider 35, and the left slider 35 is slidably disposed on the left guide rail 34 through the left slot.
In order to better fix the crane frame, please refer to fig. 1 and 4, in a preferred embodiment, the crane frame clamping device further includes a second pressing mechanism 5, the second pressing mechanism 5 includes a vertical column 51, a vertical guide rail 52, a vertical sliding block 53, a second pressing block 54 and a second pressing cylinder 55, the vertical column 51 is vertically fixed on the base plate 1, the vertical guide rail 52 is fixed on the vertical column 51 along the length direction of the vertical column 51, the vertical sliding block 53 is slidably connected with the vertical guide rail 52, the second pressing block 54 is fixed on the vertical sliding block 53, a cylinder body of the second pressing cylinder 55 is fixed on the vertical column 51, and an output shaft of the second pressing cylinder 55 is connected with the second pressing block 54 and is used for driving the second pressing block 54 to be pressed on the crane frame.
In order to clamp the crane frame from the front and rear sides, referring to fig. 1 and 5, in a preferred embodiment, the crane frame clamping device further includes a front and rear clamping mechanism 6, the front and rear clamping mechanism 6 includes a rear clamping block 61, a front guide rail 62, a front slider 63, a front clamping block 64, and a front driving cylinder 65, the rear clamping block 61 is fixed on the base plate 1 and is used for abutting against the crane frame, the front guide rail 62 is fixed on the base plate 1, the front slider 63 is slidably disposed on the front guide rail 62, the front clamping block 64 is fixed on the front slider 63, the front driving cylinder 65 is connected with the front clamping block 64 and is used for driving the front clamping block 64 to abut against the crane frame, when the crane frame is placed on the base plate 1 in use, the rear side of the crane frame abuts against the rear clamping block 61, and the front driving cylinder 65 drives the front clamping block 64 to abut against the front side of the crane frame, thereby realizing the fixation of the crane frame in the front and back directions.
For better understanding of the present invention, the following detailed description is made with reference to fig. 1 to 5 to describe the working process of the crane frame clamping device provided by the present invention: when in use, firstly, the crane frame is placed on the bottom plate 1, the crane frame is placed at a position as close to the left clamping block 31 as possible, then the sliding driving motor 273 drives the gear 272 to rotate, so that the gear 272 moves along the rack 271, and further drives the right carrier plate 21 to move, so that the right clamping block 23 is as close to the crane frame as possible, then the output shaft of the limiting cylinder 223 extends out, so that the limiting pin 222 is driven to be inserted into the limiting hole 2211, so that the right carrier plate 21 is fixed on the bottom plate 1, then the left clamping block 31 is driven to be abutted against the left side of the crane frame through the left driving piece 32, the right clamping block 23 is driven to be abutted against the right side of the crane frame through the right driving piece 24, the first pressing block 41 is pressed on the crane frame through the first pressing cylinder 42, the second pressing block 54 is pressed on the crane frame through the second pressing cylinder 55, so that the crane frame is fixed on the bottom plate 1, so as to facilitate the subsequent welding construction.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. A crane frame clamping device is characterized by comprising a bottom plate, a right clamping mechanism and a left clamping mechanism;
the bottom plate is used for placing the crane frame;
the right clamping mechanism comprises a right support plate, a limiting part, a right clamping block and a right driving part, the right support plate is arranged on the bottom plate in a sliding mode along the length direction of the bottom plate, the limiting part is fixed on the right support plate, the limiting part is detachably connected with the bottom plate, the right clamping block is arranged on the right support plate in a sliding mode, and the right driving part is connected with the right clamping block and used for driving the right clamping block to abut against one end of the crane frame;
the left clamping mechanism comprises a left clamping block and a left driving piece, the left clamping block is arranged on the bottom plate in a sliding mode along the length direction of the bottom plate, and the left driving piece is connected with the left clamping block and used for driving the left clamping block to abut against the other end of the crane frame.
2. The crane frame clamping device as claimed in claim 1, wherein the right clamping mechanism further comprises a right guide rail and a right slider, the right guide rail is fixed on the bottom plate along the length direction of the bottom plate, the right slider is fixed on the right carrier plate, the right slider is provided with a right slot matched with the right guide rail, and the right slider is slidably disposed on the right guide rail through the right slot.
3. The crane frame clamping device of claim 2 wherein said right clamping mechanism further comprises a slide drive comprising a rack, a pinion and a slide drive motor;
the rack is fixed on the bottom plate along the length direction of the bottom plate;
the gear is rotationally arranged on the right carrier plate and is meshed with the rack;
the sliding driving motor is connected with the gear and is used for driving the gear to rotate.
4. The crane frame clamping device according to claim 1, wherein the limiting member comprises a limiting strip, a limiting pin and a limiting cylinder, the limiting strip is fixed on the bottom plate along the length direction of the bottom plate, a plurality of limiting holes are formed in the limiting strip along the length direction, the cylinder body of the limiting cylinder is fixed on the right carrier plate, and the output shaft of the limiting cylinder is connected with the limiting pin and is used for enabling the limiting pin to be inserted into the limiting holes.
5. The crane frame clamping device as claimed in claim 1, further comprising a first pressing mechanism, wherein the first pressing mechanism comprises a first pressing block and a first pressing cylinder, a cylinder body of the first pressing cylinder is fixed on the right carrier plate, and an output shaft of the first pressing cylinder is connected with the first pressing block and is used for driving the first pressing block to be pressed on the crane frame.
6. The crane carriage clamping device as claimed in claim 5, wherein the first pressing mechanism further comprises a guide post and a guide rod, the guide post is fixed on the right carrier plate, the guide rod is slidably inserted into the guide post, and the guide rod is parallel to the output shaft of the first pressing cylinder.
7. The crane frame clamping device as claimed in claim 1, wherein the left clamping mechanism further comprises a left carrier plate, the left carrier plate is slidably disposed on the bottom plate along a length direction of the bottom plate, the left clamping block is fixed on the left carrier plate, and the left driving member is connected to the left carrier plate and is used for driving the left carrier plate to move.
8. The crane frame clamping device as claimed in claim 7, wherein said left clamping mechanism further comprises a left guide rail and a left slider, said left guide rail is fixed on said bottom plate along the length direction of said bottom plate, said left slider is fixed on said left carrier plate, said left slider is provided with a left engaging groove matching with said left guide rail, and said left slider is slidably disposed on said left guide rail via said left engaging groove.
9. The crane frame clamping device according to claim 1, further comprising a second pressing mechanism, wherein the second pressing mechanism comprises a vertical column, a vertical guide rail, a vertical sliding block, a second pressing block and a second pressing cylinder, the vertical column is vertically fixed on the bottom plate, the vertical guide rail is fixed on the vertical column along the length direction of the vertical column, the vertical sliding block is slidably connected with the vertical guide rail, the second pressing block is fixed on the vertical sliding block, a cylinder body of the second pressing cylinder is fixed on the vertical column, and an output shaft of the second pressing cylinder is connected with the second pressing block and is used for driving the second pressing block to be pressed on the crane frame.
10. The crane frame clamping device according to claim 1, further comprising a front and rear clamping mechanism, wherein the front and rear clamping mechanism comprises a rear clamping block, a front guide rail, a front slide block, a front clamping block and a front driving cylinder, the rear clamping block is fixed on the bottom plate and used for being abutted to the crane frame, the front guide rail is fixed on the bottom plate, the front slide block is slidably arranged on the front guide rail, the front clamping block is fixed on the front slide block, and the front driving cylinder is connected with the front clamping block and used for driving the front clamping block to be abutted to the crane frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121436254.XU CN214978888U (en) | 2021-06-25 | 2021-06-25 | Crane frame clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121436254.XU CN214978888U (en) | 2021-06-25 | 2021-06-25 | Crane frame clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214978888U true CN214978888U (en) | 2021-12-03 |
Family
ID=79103148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121436254.XU Expired - Fee Related CN214978888U (en) | 2021-06-25 | 2021-06-25 | Crane frame clamping device |
Country Status (1)
| Country | Link |
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| CN (1) | CN214978888U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118287925A (en) * | 2024-05-06 | 2024-07-05 | 安徽思诺物流装备有限公司 | A positioning welding device for a powder tank truck frame |
-
2021
- 2021-06-25 CN CN202121436254.XU patent/CN214978888U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118287925A (en) * | 2024-05-06 | 2024-07-05 | 安徽思诺物流装备有限公司 | A positioning welding device for a powder tank truck frame |
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Granted publication date: 20211203 |