CN215364559U

CN215364559U - Crank connecting rod magnetic lock type supporting leg device

Info

Publication number: CN215364559U
Application number: CN202121883702.0U
Authority: CN
Inventors: 吴军; 黄观阳; 秦烁晓; 于超
Original assignee: Jiangsu Tongchuang Modern Construction Industry Technology Research Institute Co ltd
Current assignee: Jiangsu Tongchuang Modern Construction Industry Technology Research Institute Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2021-12-31
Anticipated expiration: 2031-08-12

Abstract

The utility model relates to a crank connecting rod magnetic lock type supporting leg device which comprises a support, an upper bracket, a lower bracket, a crank, a connecting rod and a leg column, wherein the upper bracket is arranged on the support; the upper part of the support is hinged with the lower end of the crank, and the lower part of the support is connected with the foot post in a sliding way; the middle part of the crank is hinged with the upper end of a connecting rod, and the lower end of the connecting rod is hinged with the upper end of the socle; the upper bracket is fixed on the upper part of the support and is provided with a first magnetic bead; the lower bracket is fixed at the lower part of the support and is provided with second magnetic beads; when the arm-brace device contracts, the crank is attracted with the first magnetic bead, and when the arm-brace device is unfolded, the crank is attracted with the second magnetic bead. The supporting leg device is simple in structure and convenient to install.

Description

Crank connecting rod magnetic lock type supporting leg device

Technical Field

The utility model relates to a crank connecting rod magnetic locking type supporting leg device, in particular to a crank connecting rod magnetic locking type manual quick supporting leg device, and belongs to the technical field of hoisting devices.

Background

In mobile lifting devices, special fixed feet are generally provided in order to reduce the stress on the device during the lifting process and during loading. The traditional fixed supporting leg generally adopts a screw rod or a hydraulic form, the screw rod of the traditional fixed supporting leg consumes much time when being manually rotated, and the screw rod of the traditional fixed supporting leg has complex structure and expensive components, is easy to leak oil and pollutes the environment.

The rapid braces currently appearing on the market, for example: the patent of the utility model with the name of the publication number of CN 105757423B as the rapid supporting foot has the advantages of complicated machinery, complex process, difficult manufacture and low cost performance in the technical scheme.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art and provides a crank connecting rod magnetic lock type supporting leg device which is simple in structure and convenient to install.

In order to achieve the purpose, the technical scheme provided by the utility model is as follows: a magnetic lock type supporting leg device with a crank and a connecting rod comprises a support, a crank, a connecting rod, a leg column, an upper bracket and a lower bracket; the upper support and the lower support are respectively arranged on two sides of the support, the crank is rotatably arranged on the support, the socle is connected to the support in a sliding mode, one end of the socle is hinged to one end of the connecting rod, the other end of the connecting rod is hinged to the crank, the crank can rotate between the upper support and the lower support and can be positioned on one of the upper support and the lower support, and the socle is driven to slide up and down relative to the support through the connecting rod during rotation.

The technical scheme is further designed as follows: the support comprises a base body, a fork head fixed on the upper portion of the base body in a U shape, and a guide cylinder fixed on the lower portion of the base body, wherein the fork head is hinged with the lower end of the crank, and the guide cylinder is sleeved on the periphery of the socle and is in sliding connection with the socle.

The fork head and the guide cylinder are both located on one side of the plane where the seat body is located, a connecting plate is fixedly arranged on the other side of the plane where the seat body is located, and the connecting plate is used for being fixedly connected with a hoisting equipment base.

The crank is the form of buckling of constituteing by stock and quarter butt, crank quarter butt end portion is articulated with the jaw, the crank department of buckling is articulated with the connecting rod upper end.

The connecting rod is composed of two symmetrically arranged rod bodies, the distance between the middle parts of the two rod bodies is larger than the distance between the upper end and the lower end, the upper ends of the two rod bodies are hinged with the bent part of the crank, the lower ends of the two rod bodies are hinged with the upper ends of the stilts, and the mutually hinged short crank rods and the fork heads are positioned in the middle parts of the two rod bodies and can move back and forth in the space in the middle parts of the two rod bodies.

The upper support and the lower support are both L-shaped and composed of long edges and short edges, the long edges of the upper support and the lower support are fixedly connected with the upper portion of the seat body and one side, far away from the seat body, of the guide cylinder respectively, magnetic beads are fixed on the long edges of the upper support and the lower support respectively, and the crank is attracted and positioned with the magnetic beads.

When the supporting foot device contracts, one side of the long crank rod is attracted with the magnetic beads on the upper bracket, and when the supporting foot device is unfolded, the other side of the long crank rod is attracted with the magnetic beads on the lower bracket; when the long crank rod is adsorbed to any magnetic bead, the hinged joint of the crank connecting rod, the hinged joint of the crank fork head and the hinged joint of the connecting rod foot post are all positioned on the same central axis.

The bottom of the foot post is provided with a threaded hole, an adjusting bolt is screwed in the threaded hole, and one end of the adjusting bolt is provided with a foot seat.

The foot seat is provided with a threaded through hole, and one end of the adjusting bolt penetrates through the foot seat and then is in threaded connection with the threaded hole.

The adjusting bolt is in threaded connection with two locking nuts between the foot post and the foot base, one locking nut is tightly attached to the bottom of the foot post, and the other locking nut is tightly attached to the top of the foot base.

The utility model has the following beneficial effects:

1. the device has simple structure and easy operation, adopts the crank connecting rod structure, and can conveniently realize the quick suspension and support of the supporting foot as long as the position of the crank is simply and manually changed;

2. after the supporting foot device is fixed, the supporting height can be adjusted to ensure that the equipment is stably supported, so that the supporting foot device can adapt to not only general smooth terraces but also uneven terraces, and the application range of the supporting foot is effectively expanded;

3. the magnetic attraction component is additionally arranged on the basis of the self gravity of the crank positioning device, and the crank position is flexibly locked, so that the reliability of the supporting foot of the device is ensured, and the safety of the hoisting equipment is greatly enhanced.

4. The device has the advantages of simple components, few accessories, simple shape, easy die sinking manufacture, suitability for batch production, high cost performance and suitability for popularization and application.

5. The device has no influence of noise, oil stain and the like on the environment in the using process.

Drawings

FIG. 1 is a schematic view of the temple apparatus of the present invention in a contracted state;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a schematic view of the stand bar device of the present invention in an unfolded state;

FIG. 4 is a schematic structural view of the support of FIG. 1;

fig. 5 is a left side view of fig. 4.

In the figure: the device comprises a support 1, a guide cylinder 101, a connecting plate 102, a base body 103, a fork 104, an upper bracket 2, a magnetic bead 3, a crank 4, a connecting rod 5, a leg post 6, a lower bracket 7, an adjusting bolt 8, a locking nut 9 and a foot base 10.

Detailed Description

The utility model is described in detail below with reference to the figures and the specific embodiments.

Examples

As shown in fig. 1 and 2, the crank connecting rod magnetic lock type supporting leg device of the present embodiment includes a support 1, an upper bracket 2, a lower bracket 7, a crank 4, a connecting rod 5 and a leg 6;

the crank 4 is bent and divided into a long rod and a short rod from the bent part, and through holes are formed in the bent part and the end part of the short rod of the crank 4.

The connecting rod 5 is composed of two symmetrically arranged rod bodies, the distance between the middle parts of the two rod bodies is larger than the distance between the upper end and the lower end, and through holes are formed in the upper end and the lower end of the two rod bodies.

Referring to fig. 4 and 5, the support 1 includes a base 103, a U-shaped fork 104 fixed on the upper portion of the base 103, and a guide cylinder 101 fixed on the lower portion of the base 103, wherein a notch is formed in the center of the fork 104, the fork, the base, and the guide cylinder are integrated into a whole, and the fork 104 and the guide cylinder 101 are located on one side of the base 103, a connection board 102 is fixed on the other side of the base 103, and the connection board 102 is used for being fixedly connected with a base of a hoisting apparatus. The support 1 uses the axis of the guide cylinder 101 as a symmetrical structure, that is, the central axis of the guide cylinder 101 is parallel to the connecting plate 102, the central axis of the guide cylinder 101 vertically passes through the central point of the opening of the fork 104, and the fork 104 is provided with a through hole.

When the supporting foot device is installed, two rod bodies of a connecting rod 5 are arranged at two sides of a crank 4, and sequentially pass through a through hole at the upper end of one rod body, a through hole at the turning position of the crank 4 and a through hole at the upper end of the other rod body through a pin shaft, so that the middle part of the crank 4 is hinged with the upper end of the connecting rod 5; the top of the leg post 6 is provided with a flat head with the width matched with that of the crank 4, the flat head is provided with a through hole, the diameter of the leg post 6 is matched with the inner diameter of the guide cylinder 101, the top of the leg post 6 penetrates through the guide cylinder 101 and extends out of the top of the guide cylinder 101, and the leg post 6 is connected with the guide cylinder 101 in a sliding mode and is in clearance fit with the guide cylinder 101; the lower ends of the two rod bodies of the connecting rod 5 are respectively arranged at two sides of the flat head, and sequentially pass through a through hole at the lower end of one rod body, a through hole at the flat head and a through hole at the lower end of the other rod body through a pin shaft, so that the lower end of the connecting rod 5 is hinged with the upper ends of the socles; the opening of the fork 104 of the support 1 is matched with the width of the crank 4, the short rod of the crank 4 is inserted into the opening of the fork 104, and passes through the through hole at the end part of the short rod of the fork 104 and the crank 4 through a pin shaft, so that the fork 104 is hinged with the lower end of the crank, the hinged fork 104 and the short rod of the crank 4 are positioned in the space between the middle parts of the two rod bodies, and the two rod bodies can move back and forth on the outer sides of the fork and the short rod of the crank along with the rotation of the crank.

The upper support 2 and the lower support 7 are both in an L shape consisting of long sides and short sides, the long sides of the upper support 2 are provided with through holes, one side of the upper end of the base body 103 of the support, which is opposite to the fork head, is provided with screw holes, the upper support 2 is screwed with the screw holes and fixed on the base body after penetrating through the through holes through bolts, and the short sides of the upper support 2 are fixed with magnetic beads 3; the long edge of the lower support 7 is provided with a through hole, the wall of the guide cylinder 101 at one side opposite to the seat body is provided with a screw hole, the lower support 7 penetrates through the through hole through a bolt and then is screwed with the screw hole to be fixed on the guide cylinder 101, and the short edge of the lower support 7 is fixed with another magnetic bead 3.

In the crank connecting rod magnetic lock type supporting leg device, when the crank connecting rod magnetic lock type supporting leg device is contracted, one side of a long rod of a crank 3 is attracted with a magnetic bead 3 on an upper bracket 2, and at the moment, a hinge point of the crank connecting rod, a hinge point of a crank fork head and a hinge point of a connecting rod leg are positioned on the same central axis from top to bottom; as shown in fig. 3, when the supporting leg device is supported, the crank 4 long rod is rotated, the hinge point of the crank 4 and the fork head and the hinge point of the connecting rod 5 and the leg post 6 are all located on the central axis all the time, the crank 4 rotates along the hinge point of the crank fork head, the upper end of the connecting rod 5 moves towards the front side under the driving of the crank 4 and returns to the central axis, the crank 4 rotates 180 degrees at the moment, the other side of the crank 4 long rod is attracted with the magnetic bead of the lower bracket 7, the hinge point of the crank fork head, the hinge point of the crank connecting rod and the hinge point of the connecting rod leg post are located on the same central axis from top to bottom, the leg post 6 slides downwards along the guide cylinder 101 along with the rotation of the crank 4 and contacts with the ground, and the supporting effect is achieved.

Threaded holes are formed in the axes of the socles 6, adjusting bolts 8 are screwed in the threaded holes, one end, far away from the socles 6, of each adjusting bolt 8 is connected with a socle 10, threaded through holes are formed in the socle 10, the adjusting bolts 8 penetrate through the threaded through holes of the socles 10 and then are in threaded connection with the threaded holes of the socles 6, the socles 6 adjust the distance between the socles and the socles through the adjusting bolts 8, and therefore the supporting height of the supporting foot device is adjusted.

In order to increase the connection strength of the adjusting bolt 8, the foot base 10 and the foot post 6, two locking nuts 9 are screwed on the adjusting bolt 8 between the foot post and the foot base, one locking nut 9 is tightly attached to the bottom of the foot post 6 to fix the foot post 6 and the adjusting bolt 8 relatively, the other locking nut 9 is tightly attached to the top of the foot base 10, and the foot base 10 is clamped and fixed through the locking nut 9 and the bolt head of the adjusting bolt 8.

The crank connecting rod magnetic lock type supporting foot device of the embodiment is applied to walking type hoisting equipment, after the connecting plate 102 of the support 1 is fixedly connected with a base of the hoisting equipment, an adjusting bolt needs to be rotated until the supporting foot is contacted with the ground, and an upper nut and a lower nut are locked to prevent the supporting foot from shifting in the moving process of the hoisting equipment.

When the hoisting equipment moves in an idle load mode, the supporting foot device needs to be suspended in the air, only the long rod of the crank 4 needs to be arranged at the upper support 2 and is firmly attracted and locked with the magnetic beads 3 on the upper support 2, and at the moment, the foot post 6 and the foot seat 10 can leave the terrace and are arranged in the suspended position.

When the hoisting equipment is in place and before hoisting, the foot seats 10 of the supporting foot devices are required to be supported to the floor, the long rods of the cranks 4 are reversely rotated to the lower support frame 7 and are firmly adsorbed and locked with the magnetic beads 3 of the lower support frame 7, and then the foot columns 6 and the foot seats 10 can be supported to the floor.

Along with the heavy object is hoisted by the hoisting equipment, the trundles of the hoisting equipment can generate elastic deformation, and the positive pressure of the equipment is commonly born by the supporting leg device, so that the positive pressure of the trundles of the original equipment is greatly reduced.

The utility model is not limited to the embodiments described above, and all technical solutions obtained by equivalent substitution methods fall within the scope of the utility model claimed.

Claims

1. The utility model provides a crank connecting rod magnetism locking-type kickstand device which characterized in that: comprises a support, a crank, a connecting rod, a foot post, an upper bracket and a lower bracket; the upper support and the lower support are respectively arranged on two sides of the support, the crank is rotatably arranged on the support, the socle is connected to the support in a sliding mode, one end of the socle is hinged to one end of the connecting rod, the other end of the connecting rod is hinged to the crank, the crank can rotate between the upper support and the lower support and can be positioned on one of the upper support and the lower support, and the socle is driven to slide up and down relative to the support through the connecting rod during rotation.

2. The crank-link magnetic lock type temple apparatus according to claim 1, wherein: the support comprises a base body, a fork head fixed on the upper portion of the base body in a U shape, and a guide cylinder fixed on the lower portion of the base body, wherein the fork head is hinged with the lower end of the crank, and the guide cylinder is sleeved on the periphery of the socle and is in sliding connection with the socle.

3. The crank-link magnetic lock temple apparatus of claim 2, wherein: the fork head and the guide cylinder are both located on one side of the plane where the seat body is located, a connecting plate is fixedly arranged on the other side of the plane where the seat body is located, and the connecting plate is used for being fixedly connected with a hoisting equipment base.

4. The crank-link magnetic lock temple apparatus of claim 3, wherein: the crank is the form of buckling of constituteing by stock and quarter butt, crank quarter butt end portion is articulated with the jaw, the crank department of buckling is articulated with the connecting rod upper end.

5. The crank-link magnetic lock type temple apparatus according to claim 4, wherein: the connecting rod is composed of two symmetrically arranged rod bodies, the distance between the middle parts of the two rod bodies is larger than the distance between the upper end and the lower end, the upper ends of the two rod bodies are hinged with the bent part of the crank, the lower ends of the two rod bodies are hinged with the upper ends of the stilts, and the mutually hinged short crank rods and the fork heads are positioned in the middle parts of the two rod bodies and can move back and forth in the space in the middle parts of the two rod bodies.

6. The crank-link magnetic lock type temple apparatus according to claim 5, wherein: the upper support and the lower support are both L-shaped and composed of long edges and short edges, the long edges of the upper support and the lower support are fixedly connected with the upper portion of the seat body and one side, far away from the seat body, of the guide cylinder respectively, magnetic beads are fixed on the long edges of the upper support and the lower support respectively, and the crank is attracted and positioned with the magnetic beads.

7. The crank-link magnetic lock type temple apparatus according to claim 6, wherein: when the supporting foot device contracts, one side of the long crank rod is attracted with the magnetic beads on the upper bracket, and when the supporting foot device is unfolded, the other side of the long crank rod is attracted with the magnetic beads on the lower bracket; when the long crank rod is adsorbed to any magnetic bead, the hinged joint of the crank connecting rod, the hinged joint of the crank fork head and the hinged joint of the connecting rod foot post are all positioned on the same central axis.

8. The crank-link magnetic lock type temple apparatus according to claim 1, wherein: the bottom of the foot post is provided with a threaded hole, an adjusting bolt is screwed in the threaded hole, and one end of the adjusting bolt is provided with a foot seat.

9. The crank-link magnetic lock type temple apparatus according to claim 8, wherein: the foot seat is provided with a threaded through hole, and one end of the adjusting bolt penetrates through the foot seat and then is in threaded connection with the threaded hole.

10. The crank link magnetic lock type temple apparatus according to claim 9, wherein: the adjusting bolt is in threaded connection with two locking nuts at the part between the foot post and the foot base, one locking nut is tightly attached to the bottom of the foot post, and the other locking nut is tightly attached to the top of the foot base.