CN221662574U - Folding lifting frame for engineering maintenance - Google Patents

Abstract

The utility model discloses a folding lifting frame for engineering maintenance, and in particular relates to the technical field of folding lifting frames, which comprises a base, a lifting table and a protective guard, wherein moving wheels are arranged at two ends of the base, side tables are arranged at two ends of the base, a case is arranged at the top end of the side table, a winch is arranged in the case, a traction rope is arranged at one end of the winch, a guide rod is arranged at one side of the top end of the side table, a guide ring is arranged on the outer side of the guide rod, pulleys are arranged at the top end of the guide rod, a lifting table is arranged at one side of the guide ring, and the protective guard is arranged at the top end of the lifting table. According to the utility model, the guide rods are arranged, the guide rings at the two sides of the lifting platform are sleeved on the outer sides of the guide rods, and when the lifting platform is pulled by the winch to move up and down, the guide rings are matched with the guide rods, so that the stability of the lifting platform during movement can be increased in an auxiliary manner, and the stability of the folding lifting frame during use is enhanced.

Description

A foldable lifting frame for engineering maintenance

Technical Field

The utility model relates to the technical field of foldable lifting frames, in particular to a foldable lifting frame used for engineering maintenance.

Background Art

Maintenance engineering refers to the work of regular inspection, maintenance, repair and management of construction projects such as buildings, equipment and facilities. Its purpose is to ensure the normal operation of the project, extend the service life of the equipment and improve the operation efficiency of the project. This device is a folding lifting frame used for engineering maintenance, which is used to assist maintenance personnel in the maintenance of high-altitude facilities.

When carrying out maintenance work, scaffolding is often used for maintenance work at heights. The erection of scaffolding takes time and is inconvenient to use. Some electric lifting scaffoldings have poor stability, so they need to be improved to make them easier to use.

Utility Model Content

The purpose of the utility model is to provide a foldable lifting frame for engineering maintenance, so as to solve the problem of poor stability of the lifting frame in use in the above background technology.

To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a foldable lifting frame for engineering maintenance, comprising a base, a lifting platform and a guardrail, wherein moving wheels are installed at both ends of the base, and both ends of the top of the base are provided with a first slide groove, a first slide rod is installed inside the first slide groove, a first slide sleeve is arranged on the outer side of the first slide rod, and a folding frame is movably installed on the top of the first slide sleeve, side platforms are installed on both sides of the base, a chassis is installed on the top of the side platform, a winch is installed inside the chassis, a traction rope is installed at one end of the winch, a guide rod is installed on one side of the top of the side platform, a guide ring is arranged on the outer side of the guide rod, a pulley is installed on the top of the guide rod, a lifting platform is installed on one side of the guide ring, a guardrail is installed on the top of the lifting platform, and connecting rings are installed on both sides of the guardrail, a second slide groove is arranged at the bottom end of the lifting platform, a second slide rod is installed inside the second slide groove, and a second slide sleeve is arranged on the outer side of the second slide rod.

Preferably, the cross section of the guide ring is larger than the cross section of the guide rod, and the guide ring and the guide rod form a sliding structure.

Preferably, a laying groove is provided at the center position of the top end of the lifting platform, an anti-skid plate is provided inside the laying groove, and an anti-skid groove is provided on the surface of the anti-skid plate.

Preferably, the cross-section of the anti-skid plate is smaller than the cross-section of the laying groove, and the anti-skid plate and the laying groove form a detachable structure.

Preferably, a plurality of anti-skid grooves are arranged on the surface of the anti-skid plate, and the plurality of anti-skid grooves are distributed at equal intervals.

Preferably, fixed platforms are installed at both ends of the top end of the side platform, a support rod is provided inside the fixed platform, a hand wheel is installed at the top end of the support rod, and a support pad is installed at the bottom end of the support rod.

Preferably, two groups of the fixing platforms are installed on the top of the side platform, and the two groups of the fixing platforms are symmetrically distributed.

Preferably, the surface of the support rod is provided with an external thread, the interior of the fixing platform is provided with an internal thread, and the support rod and the fixing platform are connected via threads.

Compared with the prior art, the utility model has the following beneficial effects: by providing a guide rod, the guide rings on both sides of the lifting platform are sleeved on the outside of the guide rod, and when the hoist pulls the lifting platform to move up and down, the guide ring cooperates with the guide rod to assist in increasing the stability of the lifting platform when moving, thereby enhancing the stability of the foldable lifting frame when in use;

By providing an anti-skid plate, the anti-skid plate can be laid in the laying groove on the surface of the lifting platform for use. The anti-skid plate cooperates with the anti-skid groove to increase the friction when the maintenance personnel step on it, and cooperates with the guardrail to increase the safety when working at heights, thereby enhancing the safety of the foldable lifting frame when in use;

By providing a support pad, four sets of moving wheels on the outside of the base are used to move the device. After moving to a suitable position, the hand wheel can be turned, and the support pad can be driven downward through the threaded cooperation between the support rod and the fixed platform. Multiple sets of support pads are in contact with the ground to fix the position of the device, thereby realizing the convenience of moving and using the foldable lifting frame.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of a front cross-sectional structure of the utility model;

FIG2 is a front view of the structure of the present utility model;

FIG3 is a schematic diagram of a partially enlarged structure of point A in FIG1 of the present invention;

FIG4 is a schematic diagram of a front cross-sectional structure of a support rod of the present invention.

In the figure: 1. base; 2. moving wheel; 3. first slide groove; 4. first slide bar; 5. first slide sleeve; 6. folding frame; 7. side platform; 8. chassis; 9. winch; 10. traction rope; 11. guide rod; 12. guide ring; 13. pulley; 14. connecting ring; 15. lifting platform; 16. guardrail; 17. second slide groove; 18. second slide bar; 19. second slide sleeve; 20. laying groove; 21. anti-skid plate; 22. anti-skid groove; 23. fixed platform; 24. support rod; 25. hand wheel; 26. support pad.

DETAILED DESCRIPTION

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Please refer to Figures 1-4. An embodiment of the utility model is as follows: a foldable lifting frame for engineering maintenance, including a base 1, a lifting platform 15 and a guardrail 16. Both ends of the base 1 are equipped with moving wheels 2. Both ends of the top of the base 1 are provided with first slide grooves 3. The first slide rod 4 is installed inside the first slide groove 3. The first slide rod 4 is provided outside the first slide rod 4. A folding frame 6 is movably installed on the top of the first slide sleeve 5. Side platforms 7 are installed on both sides of the base 1. A chassis 8 is installed on the top of the side platform 7. A winch 9 is installed inside the chassis 8. A traction rope 10 is installed at one end of the winch 9. A guide rod 11 is installed on one side of the top of the side platform 7, a guide ring 12 is arranged on the outer side of the guide rod 11, the cross section of the guide ring 12 is larger than the cross section of the guide rod 11, the guide ring 12 and the guide rod 11 form a sliding structure, a pulley 13 is installed on the top of the guide rod 11, a lifting platform 15 is installed on one side of the guide ring 12, a guardrail 16 is installed on the top of the lifting platform 15, connecting rings 14 are installed on both sides of the guardrail 16, a second slide groove 17 is arranged on the bottom end of the lifting platform 15, a second slide rod 18 is installed inside the second slide groove 17, and a second sliding sleeve 19 is arranged on the outer side of the second slide rod 18;

Specifically, as shown in FIG. 1 and FIG. 2 , when in use, the winch 9 is started, and the winch 9 cooperates with the traction rope 10 to pull the lifting platform 15 to move up and down, and the guide rings 12 on both sides of the lifting platform 15 move up and down synchronously along the guide rod 11, which can guide the moving position of the lifting platform 15 to prevent the lifting platform 15 from shaking when moving up and down;

A laying groove 20 is provided at the center position of the top of the lifting platform 15, and an anti-skid plate 21 is provided inside the laying groove 20. The cross section of the anti-skid plate 21 is smaller than the cross section of the laying groove 20. The anti-skid plate 21 and the laying groove 20 form a detachable structure. The surface of the anti-skid plate 21 is provided with an anti-skid groove 22. There are a plurality of anti-skid grooves 22 on the surface of the anti-skid plate 21, and the plurality of anti-skid grooves 22 are distributed at equal intervals.

Specifically, as shown in FIG. 1 and FIG. 3 , when in use, the anti-skid plate 21 is laid in the laying groove 20 on the surface of the lifting platform 15 for use, and the surface of the anti-skid plate 21 is provided with a plurality of groups of anti-skid grooves 22, which cooperate with each other to increase the friction force on the surface of the lifting platform 15;

Fixed platforms 23 are installed at both ends of the top of the side platform 7. Two groups of fixed platforms 23 are installed at the top of the side platform 7. The two groups of fixed platforms 23 are symmetrically distributed. Support rods 24 are arranged inside the fixed platforms 23. The surface of the support rods 24 is provided with external threads. The inside of the fixed platforms 23 is provided with internal threads. The support rods 24 are connected to the fixed platforms 23 through threads. A hand wheel 25 is installed at the top of the support rods 24, and a support pad 26 is installed at the bottom of the support rods 24.

Specifically, as shown in Figures 1, 2 and 4, when in use, the hand wheel 25 is rotated, and the support pad 26 can be driven downward through the threaded cooperation between the support rod 24 and the fixed platform 23. When the support pad 26 contacts the ground, multiple groups of support pads 26 cooperate to support the device.

Working principle: When in use, the four sets of moving wheels 2 on the outside of the base 1 can assist the device to move. After the device is moved to the required area, the hand wheels 25 on both sides can be turned. After the support pad 26 moves down and contacts the ground, the position of the device can be supported and fixed. The maintenance personnel enter the inside of the guardrail 16, and an anti-skid plate 21 is laid on the surface of the lifting platform 15. The anti-skid plate 21 cooperates with the guardrail 16 to increase the safety of the maintenance personnel when working at heights. The winches 9 on both sides are started, and one end of the traction rope 10 is connected to the connecting rings 14 on both sides of the guardrail 16. The winch 9 cooperates with the traction rope 10 to pull the lifting platform 15 upward. When moving, the guide rings 12 on both sides of the lifting platform 15 slide along the guide rod 11, which can assist in limiting the position of the lifting platform 15 to avoid shaking when the lifting platform 15 is pulled upward, thereby increasing stability during use.

It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims (8)

1. A folding crane for engineering maintenance, includes base (1), elevating platform (15) and rail guard (16), its characterized in that: the utility model discloses a lifting device, including base (1), movable wheels (2) are all installed at both ends of base (1), both ends on top of base (1) all are provided with first spout (3), internally mounted of first spout (3) has first slide bar (4), the outside of first slide bar (4) is provided with first sliding sleeve (5), the top movable mounting of first sliding sleeve (5) has folding leg (6), lateral station (7) are all installed on the both sides of base (1), quick-witted case (8) are installed on the top of lateral station (7), hoist engine (9) are installed to the internally mounted of machine case (8), haulage rope (10) are installed to one side on top of lateral station (7), guide bar (11) are installed to one side on top of lateral station (7), the outside of guide bar (11) is provided with guide ring (12), pulley (13) are installed on the top of guide ring (12), elevating platform (15) are installed on one side of guide ring (12), lateral station (16) are installed on the top of elevating platform (15), rail guard (16), second spout (17) are installed on the both sides (17) are installed on the second side of guide bar (17), the outer side of the second sliding rod (18) is provided with a second sliding sleeve (19).

2. A folding lift frame for engineering maintenance according to claim 1, characterized in that: the cross section of the guide ring (12) is larger than that of the guide rod (11), and the guide ring (12) and the guide rod (11) form a sliding structure.

3. A folding lift frame for engineering maintenance according to claim 1, characterized in that: the center position department on elevating platform (15) top is provided with lays groove (20), the inside of laying groove (20) is provided with antiskid ribbed tile (21), the surface of antiskid ribbed tile (21) is provided with anti-skidding groove (22).

4. A folding lift frame for engineering maintenance according to claim 3, wherein: the cross section of the antiskid plate (21) is smaller than that of the paving groove (20), and the antiskid plate (21) and the paving groove (20) form a detachable structure.

5. A folding lift frame for engineering maintenance according to claim 3, wherein: the anti-skid grooves (22) are formed in the surface of the anti-skid plate (21), and the anti-skid grooves (22) are distributed at equal intervals.

6. A folding lift frame for engineering maintenance according to claim 1, characterized in that: fixed table (23) are installed at both ends on side table (7) top, the inside of fixed table (23) is provided with bracing piece (24), hand wheel (25) are installed on the top of bracing piece (24), supporting pad (26) are installed to the bottom of bracing piece (24).

7. A folding lift frame for engineering maintenance according to claim 6, wherein: two groups of fixing tables (23) are arranged at the top end of the side table (7), and the two groups of fixing tables (23) are symmetrically distributed.

8. A folding lift frame for engineering maintenance according to claim 6, wherein: the surface of bracing piece (24) is provided with the external screw thread, the inside of fixed station (23) is provided with the internal screw thread, bracing piece (24) are connected through the screw thread with fixed station (23).