CN212450542U - Auxiliary construction trolley for arranging building structural parts - Google Patents
Auxiliary construction trolley for arranging building structural parts Download PDFInfo
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- CN212450542U CN212450542U CN202021049894.0U CN202021049894U CN212450542U CN 212450542 U CN212450542 U CN 212450542U CN 202021049894 U CN202021049894 U CN 202021049894U CN 212450542 U CN212450542 U CN 212450542U
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Abstract
The utility model discloses a settle supplementary construction dolly of building accessory, include: the device comprises a trolley framework, a rear trolley arm, a front trolley arm, a support, a lifting hook, a wheel assembly and a clamping assembly; the connection between the front and rear arms and the trolley frame and the connection between the trolley frame and the support are movable connections with adjustable length directions so as to adapt to building components of different sizes; furthermore, a rotating bearing is arranged to realize 360-degree rotation of the horizontal plane of the lifting hook; in addition, the lower part of the trolley framework, which is close to the rear arm, is provided with the balance support legs with telescopic height, so that vertical support can be provided during working, and the requirements of different heights of the construction trolley can be met; the bottom of the balance supporting leg is provided with a brake rubber pad which can provide a braking and decelerating effect for the construction trolley when the construction trolley slides on a downhill road section. The utility model discloses can realize the settling work of the building of multiple different grade type and construct the accessory, greatly improve the application range and the working property of supplementary construction dolly, it is convenient to be under construction, and the security is higher.
Description
Technical Field
The utility model relates to a building engineering field, concretely relates to settle supplementary construction dolly of building accessory.
Background
In the construction process of the existing building engineering, the hoisting and installation construction of heavy building components such as a cable trench concrete cover plate, an inspection well cast iron cover plate, an anti-collision pier and the like is mainly carried out through the following three modes:
one is original manual carrying, and not only is the work efficiency low and the waste of human resources serious, but also a large potential safety hazard is caused; one is a simple mechanical device aiming at solving a certain structural part, such as a concrete trench cover plate arrangement construction mechanical device, multiple structural parts cannot be shared and cannot be used under multiple working conditions, multiple workers are needed for assistance in the arrangement process, the downhill road section cannot guarantee balanced slow movement, the use purpose is single, the comprehensive benefit is low, and certain data waste is caused; one method is to directly use a crane and a loader to carry out one-by-one transfer, thereby occupying valuable mechanical resources of the crane and the loader on a construction site and having higher construction cost.
SUMMERY OF THE UTILITY MODEL
In order to solve the building that settles among the prior art to construct the auxiliary construction dolly of accessory and be difficult to be suitable for different types, co-altitude, different length constructs the accessory problem, the utility model provides a construction dolly of adjustable height, length specifically as follows:
an auxiliary construction trolley for arranging building structure accessories comprises a trolley framework, a rear trolley arm, a front trolley arm, a support, a lifting hook, a wheel assembly and a clamping assembly;
the two ends of the trolley framework are respectively and horizontally connected with the front arm and the rear arm, and the bottom of the trolley framework is vertically connected with the support; the support is fixedly connected to a wheel assembly through a bolt, and the wheel assembly comprises a wheel and an axle; one end of the front arm, which is far away from the trolley framework, is connected with a lifting hook, the lifting hook is used for lifting a clamping assembly, and the clamping assembly is used for clamping building component accessories;
the connection of the front arm and the trolley framework and the connection of the rear arm and the trolley framework are movable connections with adjustable length directions.
The contact point of the wheels of the trolley and the ground becomes a fulcrum of the lever, and according to the principle of the lever, when the distance from the fulcrum to the gravity center of the clamped building component accessory is smaller than the distance from the fulcrum to a force application point of a person on a rear arm during operation, the lever can be used as a labor-saving lever. Because the utility model discloses preceding, back car arm and dolly skeleton be length direction adjustable swing joint, this length that just makes the power arm of lever and resistance arm can be adjusted according to the weight and the size of being constructed the accessory by the centre gripping building for the dolly both can reach the effect of province, can be applicable to the building of different sizes again and construct the accessory.
Further, the length direction adjustable swing joint of preceding, back car arm and dolly skeleton specifically can adopt following structure:
the trolley framework comprises longitudinal beams, reinforcing rods and support connecting rods; the two longitudinal beams are symmetrically arranged on two sides, a plurality of reinforcing rods are arranged between the two longitudinal beams, the reinforcing rods and the longitudinal beams are fixedly connected by welding connection and the like, and the reinforcing rods are used for structurally reinforcing the rigidity and the strength of the trolley framework, so that the trolley can clamp heavier building structural parts; the two ends of each longitudinal beam are respectively connected with a front vehicle arm and a rear vehicle arm, and the longitudinal beams are made of hollow pipe bodies such as round pipes or square pipes; the two ends of the longitudinal beam are provided with a plurality of through holes, correspondingly, the front arm and the rear arm are also provided with a plurality of through holes corresponding to the longitudinal beam, the front arm and the rear arm are respectively inserted into the two ends of the longitudinal beam, different lengths can be obtained according to the insertion depth change, and the effect of adjusting the length direction is achieved; and after the insertion depth is adjusted, inserting a pin or a bolt into the through hole for locking and fixing.
Further, the same principle can also be applied to the connection of the support connecting rod and the support: two support connecting rods are correspondingly arranged at the bottoms of the two longitudinal beams respectively, and the support connecting rods are connected to the bottoms of the longitudinal beams through welding, so that the insertion positions of the front and rear vehicle arms are avoided; the support and the support connecting rod are both made of hollow tubes such as round tubes or square tubes and the like, so that the lower end of the support connecting rod and the upper end of the support can be inserted into each other conveniently, a plurality of through holes are correspondingly formed in the support and the support connecting rod, and after the insertion depth is adjusted, pins or bolts are inserted into the through holes for locking and fixing; generally, the cross-sectional dimension of the support is larger than that of the support connecting rod, so that the support connecting rod can be inserted into the hollow pipe body of the support; the overall height of the trolley is adjusted by adjusting the insertion depth; and after the insertion depth is adjusted, inserting a pin or a bolt into the through hole for locking and fixing.
Whether the front arm and the rear arm are connected with two ends of a longitudinal beam or the support and the support connecting rod, because of the inserted structure, a hollow pipe body is adopted for the inserted component, but the inserted component can be a hollow pipe body or a solid rod body; for example, if the inserting member is a support link and the inserted member is a support, the support is a hollow tube, but the support link may be a hollow tube or a solid rod.
Furthermore, in order to conveniently arrange building structural parts, the clamping component must flexibly rotate, so that the rotary bearing is arranged at the root of the lifting hook, and the clamping component can rotate in 360 degrees on the horizontal plane; the specific scheme is as follows:
the middle of the two front arms is provided with two connected cross beams, the cross beams and the front arms can be connected by welding, the cross beams are used for supporting the lifting hooks and the clamping assemblies, a gap is arranged between the two cross beams, and the rotary bearing is arranged in the center of the gap and fixed on the upper surface of the cross beam by welding; the tail part of the lifting hook is in an expanded head shape, the external dimension of the expanded head at the tail part of the lifting hook is larger than the bore diameter of a rotating bearing shaft, so that the lifting hook is hung on the rotating bearing, and then the clamping assembly is hung on the lifting hook; the friction coefficient of the rotary bearing is smaller, so that the rotation of the lifting hook and the clamping component on the lifting hook is more flexible.
Further, the clamping assembly specifically comprises a self-locking clamping clamp and a steel wire rope; the self-locking clamping clamp comprises two Z-shaped clamping arms, the two clamping arms are movably hinged at the intersection, the upper ends of the two clamping arms are connecting ends connected with the two ends of the steel wire rope, and the lower ends of the two clamping arms are clamping ends used for clamping building structural accessories; the lifting hook lifts the middle part of the steel wire rope, two ends of the steel wire rope are respectively and fixedly connected with the upper ends of two clamping arms of the self-locking clamping clamp, and the self-locking clamping clamp tightens the steel wire rope under the action of gravity to realize the clamping effect of the clamping ends.
Furthermore, an anti-skid rubber pad is connected with the inner side of the clamping end of the clamping assembly or the inner side of the clamping end of the self-locking clamping clamp by a detachable bolt at a place which is in contact with the clamped building component; the contact part of the anti-skid rubber pad and the clamped building component is designed into a plane or a curved surface as required, one construction trolley can be provided with one plane and a plurality of curved surface anti-skid rubber pads with different curvatures, and a user can select and replace the plane or the curved surface anti-skid rubber pads with different curvatures according to the shape of the clamped building component; the anti-skid rubber pad can increase the contact area with the clamped building component, and the friction coefficient of the rubber material is larger; under general conditions, the shorter the length of the steel wire rope is, the larger the horizontal clamping acting force is provided for the clamping end of the self-locking clamping clamp by tightening the steel wire rope under the action of the gravity of the component part; through adjusting wire rope to suitable length and using the great anti-skidding rubber pad of coefficient of friction, all help guaranteeing to press from both sides tight effect, reach static friction and equal with gravity, guarantee to construct the accessory hoist and mount in-process and do not drop, satisfy security among the work progress.
In addition, for building structure accessories such as concrete rectangular cover plates of cable trenches and water channels or cast iron inspection well cover plates, reserved orifices are formed in the cover plates, at the moment, the anti-skid rubber pads are inconvenient to use, and the building structure accessories with the reserved orifices need to be hung by using metal hooks; the metal hook and the clamping component or the clamping end of the self-locking type clamping clamp form hinged connection, one or more metal hooks can be designed according to needs, if a plurality of metal hooks are symmetrically and symmetrically arranged as far as possible, the specific arrangement mode is arranged and adjusted according to the reserved holes of the clamped building component.
Further, in order to meet the requirements of different heights of the construction trolley and provide vertical support for adjusting the clamping assembly direction, telescopic balance support legs are further arranged on one side, close to the rear arm, of the trolley framework, and the balance support legs are fixed below the trolley framework through welding connection.
Furthermore, the balance support legs which can stretch in the height direction comprise upper support legs and lower support legs, the upper support legs and the lower support legs are made of hollow pipe bodies such as square pipes or round pipes with different sizes so as to be convenient for insertion, the upper support legs and the lower support legs are respectively provided with a plurality of corresponding through holes, and after the upper support legs and the lower support legs are mutually inserted, pins or bolts are inserted into the through holes for locking; if the pin joint is used, the end of the pin is provided with an anti-falling buckle; if the bolt is screwed, a locking nut is arranged at the end of the bolt to prevent the safety problem caused by the separation of the supporting legs.
Furthermore, the bottom of the balance supporting leg is also provided with a brake rubber pad which provides a braking and decelerating effect when the construction trolley slides on a downhill section; the brake rubber pad can be connected to the bottom of the balance leg by screws or glue.
Furthermore, the clamping arm of the self-locking clamping clamp is made of a hollow square tube with a rectangular cross section, so that the clamping arm has the advantages of light dead weight and high strength.
Furthermore, the wheels used by the trolley wheel assembly can be replaced by common wheels of the site dump truck, so that materials can be obtained in situ, convenience is realized, and the material cost is saved.
To sum up, the utility model discloses mainly there is following outstanding beneficial effect:
1. the multi-direction adjusting device has the multi-direction adjusting functions of length, height and the like, and is convenient to use under various working conditions;
2. the lifting hook can rotate in all directions on the horizontal plane by adopting the rotating bearing, so that the clamped building component can be conveniently rotated to be arranged at a proper angle, the construction trolley is prevented from being moved, and the lifting hook is more convenient and quicker;
3. the self-locking clamping clamp is used for hoisting, so that the component can be clamped automatically under the action of gravity, the safety problems that the component falls off and hurts people in the transportation process are avoided, and the safety is higher;
4. the anti-skid rubber pads or the metal hooks are arranged on the gravity self-locking clamping clamps, so that the utility model can realize the arrangement work of building components of various types, the clamping is stable, and the potential safety hazard in construction is reduced;
5. the material of the hollow square tube structure is used in a plurality of parts such as a trolley framework, a support, a balance supporting leg and the like, so that the design requirement of a telescopic inserting structure is met, the strength requirement of a component is also met, the manufacturing and the installation can be realized by utilizing the existing tool material on a construction site, and the manufacturing cost is low. Greatly improves the application range and the working performance of the auxiliary construction trolley.
Drawings
Fig. 1 is a front view of a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a top view of a schematic structural diagram of an embodiment of the present invention.
Fig. 3 is a front view of the cart frame according to the embodiment of the present invention.
Fig. 4 is a top view of the cart frame according to the embodiment of the present invention.
Fig. 5 is an enlarged view of a rotary bearing according to an embodiment of the present invention.
Fig. 6 is a cross-sectional view of the rotary bearing of the embodiment of the present invention along the direction I-I in fig. 5.
Fig. 7 is an enlarged view of a hook according to an embodiment of the present invention.
In the figure: the device comprises a rear vehicle arm 1, a balance supporting leg 2, a brake rubber pad 3, a trolley framework 4, a longitudinal beam 4-1, a reinforcing rod 4-2, a support connecting rod 4-3, a support 5, a wheel assembly 6, a front vehicle arm 7, a cross beam 7-1, a rotary bearing 8, a lifting hook 9, a self-locking clamping clamp 10, an anti-skid rubber pad 11 and a steel wire rope 12.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 and 2 are schematic structural diagrams of an embodiment of the present invention, wherein fig. 1 is a front view, and fig. 2 is a top view.
The construction trolley for arranging the building component comprises a trolley framework 4, a rear trolley arm 1, a front trolley arm 7, a support 5, a balance supporting leg 2, a brake rubber pad 3, a rotary bearing 8, a lifting hook 9, a wheel assembly 6 and a clamping assembly; wherein the clamping assembly comprises a self-locking clamping clamp 10, a rubber non-slip mat 11 and a steel wire rope 12.
The trolley framework 4 comprises longitudinal beams 4-1, reinforcing rods 4-2 and support connecting rods 4-3, and is shown in figures 3 and 4. The two longitudinal beams 4-1 are symmetrically arranged on two sides of the trolley framework 4, a plurality of reinforcing rods 4-2 are arranged between the two longitudinal beams, the reinforcing rods 4-2 and the longitudinal beams 4-1 are fixedly connected by welding connection and the like, and the reinforcing rods 4-2 are used for structurally reinforcing the strength of the trolley framework 4; two support connecting rods 4-3 are respectively and correspondingly arranged at the bottoms of the two longitudinal beams 4-1 and avoid the insertion positions of the front and rear arms, and the support connecting rods are connected to the bottoms of the longitudinal beams 4-1 through welding.
The two ends of each longitudinal beam 4-1 are respectively connected with a front vehicle arm 7 and a rear vehicle arm 1, the longitudinal beams 4-1 are made of round tubes or square tubes, the two ends of each longitudinal beam are provided with a plurality of through holes, correspondingly, the front vehicle arm and the rear vehicle arm are also provided with a plurality of through holes corresponding to the longitudinal beams, the front vehicle arm and the rear vehicle arm are respectively inserted into the two ends of each longitudinal beam, different lengths can be obtained according to the insertion depth change, and the effect of adjusting the length direction is achieved; and after the insertion depth is adjusted, inserting a pin or a bolt into the through hole for locking and fixing.
The connecting structure between the support connecting rod 4-3 and the support 5 is also similar to the connection between the front and rear vehicle arms and the longitudinal beam; the support 5 and the support connecting rod 4-3 are made of hollow tubes such as round tubes or square tubes, so that the lower end of the support connecting rod and the upper end of the support can be inserted into each other, a plurality of through holes are correspondingly formed in the support and the support connecting rod, and after the insertion depth is adjusted, pins or bolts are inserted into the through holes to be locked and fixed; generally, the cross-sectional dimension of the support is larger than that of the support connecting rod, so that the support connecting rod can be inserted into the hollow pipe body of the support; the overall height of the trolley is adjusted by adjusting the inserting depth.
After the inserted pin or the bolt is locked and fixed, in order to prevent the inserted part from being easily separated, an anti-drop buckle is required to be arranged at the end of the pin or a locking nut is required to be arranged at the end of the bolt.
Whether the front arm 7 and the rear arm 1 are connected with the two ends of the longitudinal beam 4-1 or the support 5 and the support connecting rod 4-3, because of the inserted structure, a hollow pipe body is adopted for the inserted component, but the inserted component can be a hollow pipe body or a solid rod body; for example, in the case of the support link 4-3 and the support 5, if the insertion member is the support link 4-3 and the inserted member is the support 5, the support 5 is a hollow tube, but the support link 4-3 may be a hollow tube or a solid rod.
Two cross beams 7-1 are connected between the two front vehicle arms 7, two ends of the cross beam 7-1 are connected to the two front vehicle arms 7 in a welding mode, a gap is arranged between the two cross beams, a rotating bearing 8 is fixedly welded on the central portion of the gap, the tail of a lifting hook 9 is in an enlarged head shape, the enlarged view is shown in fig. 7, the outline dimension of the enlarged head of the tail of the lifting hook is larger than the shaft hole diameter of the rotating bearing 8, the enlarged head of the tail of the lifting hook can be fixed on the upper surface of the rotating bearing 8 through the enlarged head of the tail of the lifting hook, the rotating bearing usually adopts a rolling bearing, the enlarged view is.
In this embodiment, the self-locking clamping clamp 10 is formed by two "Z" shaped clamping arms hinged to each other in an intersecting manner, the upper ends of the two clamping arms of the self-locking clamping clamp 10 are connecting ends connected to the two ends of the steel wire rope 12, and the lower ends of the two clamping arms are clamping ends for clamping building components. The middle part of a steel wire rope 12 is hung by a hook of the lifting hook 9, two ends of the steel wire rope 12 are fixedly connected with the upper ends of two clamping arms of the self-locking clamping clamp 10 respectively, and the self-locking clamping clamp 10 tightens the steel wire rope under the action of gravity to realize the clamping effect of the clamping ends.
The inner side of the clamping end of the self-locking clamping clamp 10 and the position of the contact of the clamped building component part are connected with an anti-skid rubber pad 11 through a detachable bolt, the contact part of the anti-skid rubber pad and the clamped building component part is designed into a plane or a curved surface as required, one construction trolley can be provided with a plane and a plurality of anti-skid rubber pads with curved surfaces of different curvatures, and a user can select and replace the plane or the non-curved anti-skid rubber pads with the curved surfaces of different curvatures according to the shape of the clamped building component part.
Certainly, for building structure accessories such as concrete rectangular cover plates of cable trenches and water channels or cast iron inspection well cover plates, reserved orifices are formed in the cover plates, and at the moment, the building structure accessories with the reserved orifices need to be hung by using metal hooks; the metal hook is hinged with the clamping end of the self-locking clamping clamp 10.
A balance supporting leg 2 which can stretch in the height direction is also arranged on one side of the trolley framework 4 close to the rear arm 1, and the balance supporting leg is connected below the trolley framework 4 through welding; the balance support legs 2 comprise upper support legs and lower support legs; the upper and lower supporting legs are made of hollow pipe bodies such as square pipes or round pipes with different sizes so as to be convenient for insertion, a plurality of corresponding through holes are respectively arranged on the upper and lower supporting legs, and after the upper and lower supporting legs are inserted, the through holes are used for inserting pins or bolts for locking; in order to prevent the safety problem caused by the disconnection of the support legs, an anti-falling buckle can be arranged at the end of the pin or a locking nut can be used at the end of the bolt.
Still be equipped with brake rubber pad 3 in balanced landing leg 2 bottom, brake rubber pad 3 can adopt screw or adhesive bonding to connect in balanced landing leg 2 bottom.
The above-mentioned embodiments are only for the convenience of explanation and illustration of the preferred embodiments of the present invention, and in fact, the embodiments of the present invention have many different forms and combinations, which are not limited by the above-mentioned embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents and all fall within the protection scope of the present invention.
Claims (10)
1. An auxiliary construction trolley for arranging building structural parts is characterized by comprising a trolley framework (4), a rear trolley arm (1), a front trolley arm (7), a support (5), a lifting hook (9), a wheel assembly (6) and a clamping assembly;
the two ends of the trolley framework (4) are respectively and horizontally connected with the front arm (7) and the rear arm (1), and the bottom of the trolley framework is vertically connected with the support (5); the support (5) is fixedly connected to the wheel assembly (6) through bolts; one end of the front vehicle arm (7) far away from the trolley framework (4) is connected with a lifting hook (9), the lifting hook (9) is used for lifting a clamping component, and the clamping component is used for clamping building structural accessories;
the connection between the front arm (7) and the trolley framework (4) and the connection between the rear arm (1) and the trolley framework (4) are movable connections with adjustable length directions.
2. The auxiliary construction trolley for arranging building construction accessories is characterized in that the trolley framework (4) comprises longitudinal beams (4-1), reinforcing rods (4-2) and support connecting rods (4-3); the longitudinal beams (4-1) are two hollow pipe bodies symmetrically arranged on two sides, and a plurality of through holes are formed in two ends of each longitudinal beam; a plurality of through holes corresponding to the longitudinal beam are arranged on the front vehicle arm (7) and the rear vehicle arm (1), are respectively inserted into two ends of the longitudinal beam and are fixed through pins or bolts; a plurality of reinforcing rods (4-2) are arranged between the two longitudinal beams; two support connecting rods (4-3) are correspondingly connected to the bottoms of the middles of the two longitudinal beams, and the support connecting rods are connected with the supports (5).
3. The auxiliary construction trolley for placing the building structural parts is characterized in that the support connecting rod (4-3) and the support (5) are both hollow tubes, and a plurality of through holes are correspondingly formed in the support and the support connecting rod and are fixed through pins or bolts.
4. A construction aid trolley according to any one of claims 1-3, wherein the front arm (7) is provided with two beams (7-1) in the middle, a gap is provided between the two beams, and a rotary bearing (8) is welded and fixed on the central part of the gap; the tail of the lifting hook (9) is in an expanded head shape, the overall dimension of the expanded head at the tail of the lifting hook is larger than the bore diameter of a rotary bearing shaft, and the expanded head at the tail of the lifting hook is fixed on the upper surface of the rotary bearing (8).
5. A construction aid trolley for housing construction accessories, according to claim 4, characterized in that the gripping assembly comprises self-locking gripping grippers (10) and wire ropes (12); the hook of the lifting hook (9) is used for lifting the middle part of the steel wire rope (12); the self-locking clamping clamp (10) comprises two Z-shaped clamping arms, the clamping arms are movably hinged at the intersection, the upper ends of the two clamping arms are connecting ends connected with the two ends of the steel wire rope (12), and the lower ends of the two clamping arms are clamping ends for clamping building structural accessories.
6. The auxiliary construction trolley for arranging building structural accessories is characterized in that the self-locking type clamping clamp (10) is further provided with an anti-skidding rubber gasket (11) and/or a metal hook; the anti-skid rubber pad (11) is connected to the inner side of the clamping end of the clamping arm of the self-locking clamping clamp (10) through a detachable bolt; the metal hook is provided with one or more metal hooks, and the metal hook and two clamping arm clamping ends of the self-locking clamping clamp form hinged connection.
7. The auxiliary construction trolley for placing the building structural components as claimed in any one of claims 5 or 6, wherein the clamping arms of the self-locking type clamping clamps are made of rectangular square tubes.
8. The auxiliary construction trolley for placing the building structural parts is characterized in that the trolley frame (4) is connected with two balance legs (2) through bolts or welding at the position close to the rear arm (1), and the balance legs can extend and retract in the height direction.
9. The auxiliary construction trolley for placing the building structural accessories as claimed in claim 8, wherein the balance leg (2) comprises an upper leg and a lower leg, which are made of hollow pipes with different sizes, the upper leg and the lower leg are respectively provided with a plurality of corresponding through holes, and after the upper leg and the lower leg are inserted into each other, the upper leg and the lower leg are locked by inserting pins or bolts into the through holes.
10. The auxiliary construction trolley for placing the building structural parts is characterized in that the bottom of the balance supporting leg (2) is provided with a brake rubber pad (3); the brake rubber pad is connected to the bottom of the balance supporting leg (2) through screws or glue.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021049894.0U CN212450542U (en) | 2020-06-09 | 2020-06-09 | Auxiliary construction trolley for arranging building structural parts |
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| CN202021049894.0U CN212450542U (en) | 2020-06-09 | 2020-06-09 | Auxiliary construction trolley for arranging building structural parts |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113735033A (en) * | 2021-09-15 | 2021-12-03 | 国网山东省电力公司鱼台县供电公司 | Cable trench cover opening device |
| CN115042842A (en) * | 2022-07-28 | 2022-09-13 | 中国十七冶集团有限公司 | Transport tool for mounting precast concrete filter plate and manufacturing method and using method thereof |
-
2020
- 2020-06-09 CN CN202021049894.0U patent/CN212450542U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113735033A (en) * | 2021-09-15 | 2021-12-03 | 国网山东省电力公司鱼台县供电公司 | Cable trench cover opening device |
| CN115042842A (en) * | 2022-07-28 | 2022-09-13 | 中国十七冶集团有限公司 | Transport tool for mounting precast concrete filter plate and manufacturing method and using method thereof |
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