Large-load goods elevator and car frame structure thereof

Abstract

The invention relates to the technical field of goods elevator manufacturing, in particular to a large-load goods elevator and a car frame structure thereof. Main stand columns are arranged on the two sides of the car frame body and used for being connected with an upper beam of the car frame body and a bottom beam of the car frame body. Auxiliary stand columns are arranged on the two sides of the main stand column and used for being connected with an upper beam of the car frame body and a car bottom of the car frame body. A reinforcing channel steel assembly is connected between the main stand column and the auxiliary stand column and comprises transverse reinforcing pieces and longitudinal reinforcing pieces, the transverse reinforcing pieces are arranged in parallel, the longitudinal reinforcing pieces are connected between every two adjacent transverse reinforcing pieces, and the transverse reinforcing pieces and the longitudinal reinforcing pieces are perpendicular to each other. The problem that a heavy-load cargo elevator is uneven in stress can be effectively solved, and then it can be ensured that the cargo elevator is kept stable and low in noise in the operation process.

Description

Technical Field

[0001] The present invention relates to the technical field of freight elevator manufacturing, and in particular to a heavy-load freight elevator and a car frame structure thereof. Background Art

[0002] The elevator car frame is a load-bearing structure of the elevator car, which consists of a car floor, car wall, car roof and car frame. It is mainly divided into bottom-supported and top-hanging elevator car frames. The existing bottom-supported car frame structure can effectively disperse the weight of the car during the load-bearing process, provide stability and safety of the car, and save shaft space. However, the large-tonnage car frame is unevenly stressed, which can easily cause the car frame to be unevenly stressed, which can lead to the following problems: (1) The freight elevator has poor stability during operation, with a strong overall shaking feeling and loud noise; (2) The tripod is easily deformed due to long-term use. Summary of the invention

[0003] The purpose of the present invention is to overcome the deficiencies of the prior art. The present invention provides a large-load freight elevator and a car frame structure thereof, which has uniform force, stable operation and low noise.

[0004] In order to solve the above problems, the present invention proposes a car frame structure for a heavy-duty freight elevator, comprising a car frame body; main columns are arranged on both sides of the car frame body, and the main columns are used to connect the upper beam of the car frame body and the bottom beam of the car frame body; auxiliary columns are arranged on both sides of the main columns, and the auxiliary columns are used to connect the upper beam of the car frame body and the car bottom of the car frame body; A reinforced channel steel assembly is connected between the main column and the secondary column, and the reinforced channel steel assembly includes a transverse reinforcement member and a longitudinal reinforcement member. Several of the transverse reinforcement members are arranged parallel to each other, and the longitudinal reinforcement member is connected between two adjacent transverse reinforcement members. The transverse reinforcement member and the longitudinal reinforcement member are perpendicular to each other.

[0005] As an improvement of the above technical solution, at least two main columns are provided on both sides of the car frame body, and the reinforcing channel steel assembly is connected between two adjacent main columns.

[0006] As an improvement of the above technical solution, a plurality of pull rods are provided between the two sides of the main column and the car platform, and a predetermined angle is formed between the pull rods and the car platform.

[0007] As an improvement of the above technical solution, a shock absorbing assembly is provided in the car bottom, and the shock absorbing assembly includes a first bracket and a second bracket, and the second bracket is sleeved on the top of the first bracket and fixedly connected to the first bracket; The upper surface of the first bracket is provided with a plurality of mutually parallel reinforcing beams, the reinforcing beams are provided with shock-absorbing rubber, and the top of the reinforcing beams and the bottom of the second bracket are both provided with limiting pieces for limiting and fixing the shock-absorbing rubber.

[0008] As an improvement of the above technical solution, the top surface and the bottom surface of the shock-absorbing rubber are both provided with a plurality of limiting grooves, and the limiting member can extend into the limiting grooves to limit and fix the shock-absorbing rubber.

[0009] As an improvement of the above technical solution, the reinforcing beam, the shock-absorbing rubber and the second bracket are connected by hot-melt method.

[0010] As an improvement of the above technical solution, a car platform wheel device is provided at the bottom of the car platform between the main pillars and the auxiliary pillars.

[0011] As an improvement of the above technical solution, a guardrail fixing piece is provided on the top of the main column, and guardrails are provided on both sides of the guardrail fixing piece.

[0012] Correspondingly, the present invention also provides a large-load freight elevator, including the above-mentioned car frame structure.

[0013] The implementation of the present invention has the following beneficial effects: The car frame structure of the present invention has a reinforced channel steel assembly connected between the main column and the auxiliary column. Specifically, the reinforced channel steel assembly includes a transverse reinforcement member and a longitudinal reinforcement member, and a plurality of transverse reinforcement members are arranged in parallel with each other. A longitudinal reinforcement member is connected between two adjacent transverse reinforcement members, and the transverse reinforcement members and the longitudinal reinforcement members are perpendicular to each other. Compared with the prior art, the transverse reinforcement members and the longitudinal reinforcement members of the reinforced channel steel assembly form an "I"-shaped structure, and the reinforced channel steel assembly transfers the pressure on both sides of the car bottom to the center; in addition, the longitudinal reinforcement members of the reinforced channel steel assembly provide support for the transverse reinforcement members, effectively avoiding deformation of the transverse reinforcement members. The car frame structure of the present invention can effectively transfer the pressure on both sides of the car bottom to the center of gravity, which can ensure that the overall force of the car frame is uniform, and can avoid deformation of force-bearing components such as the car bottom during operation, thereby reducing vibration and noise. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of a car frame structure according to an embodiment of the present invention; Figure 2 It is a schematic diagram of the installation of a shock absorbing assembly according to an embodiment of the present invention. DETAILED DESCRIPTION

[0015] In order to make the objectives, technical solutions and advantages of the present invention more clear, the present invention will be further described in detail below with reference to the accompanying drawings.

[0016] See also Figure 1As shown, an embodiment of the present invention provides a car frame structure for a large-load freight elevator, including a car frame body 1; main columns 11 are provided on both sides of the car frame body 1, and the main columns 11 are used to connect the upper beam 12 of the car frame body and the bottom beam 13 of the car frame body; auxiliary columns 14 are provided on both sides of the main columns 11, and the auxiliary columns 14 are used to connect the upper beam 12 of the car frame body and the car bottom 15 of the car frame body.

[0017] The embodiment of the present invention improves the connection structure of the main pillars 11 and the auxiliary pillars 14 on both sides of the car frame structure, so that the pressure outside the car bottom 15 can be transmitted to the center of the car bottom 15, thereby making the overall force of the car frame uniform.

[0018] Specifically, a reinforced channel steel assembly 2 is connected between the main column 11 and the secondary column 14, and the reinforced channel steel assembly 2 includes a transverse reinforcement 21 and a longitudinal reinforcement 22. Several of the transverse reinforcements 21 are arranged parallel to each other, and the longitudinal reinforcement 22 is connected between two adjacent transverse reinforcements 21. The transverse reinforcements 21 and the longitudinal reinforcements 22 are perpendicular to each other.

[0019] The car frame structure of the present invention has a reinforcing channel steel assembly 2 connected between the main column 11 and the auxiliary column 14. Specifically, the reinforcing channel steel assembly 2 includes a transverse reinforcement 21 and a longitudinal reinforcement 22. A plurality of transverse reinforcements 21 are arranged in parallel with each other, and a longitudinal reinforcement 22 is connected between two adjacent transverse reinforcements 21. The transverse reinforcement 21 and the longitudinal reinforcement 22 are perpendicular to each other. Compared with the prior art, the transverse reinforcement 21 and the longitudinal reinforcement 22 of the reinforcing channel steel assembly 2 form an "I"-shaped structure, and the reinforcing channel steel assembly 2 transfers the pressure on both sides of the car bottom 115 to the center; in addition, the longitudinal reinforcement 22 of the reinforcing channel steel assembly 2 provides support for the transverse reinforcement 21, effectively avoiding deformation of the transverse reinforcement 21. The car frame structure of the present invention can effectively transfer the pressure on both sides of the car bottom 15 to the center, so as to ensure that the overall force of the car frame is uniform, and secondly, it can avoid deformation of the force-bearing components such as the car bottom 15 during operation, and reduce vibration and noise.

[0020] Preferably, at least two main columns 11 are provided on both sides of the car frame body 1, and the reinforcing channel steel assembly 2 is connected between two adjacent main columns 11. Arranging multiple main columns 11 increases the load-bearing capacity of the middle part of the car frame body 1, and the reinforcing channel steel assembly 2 is connected between two adjacent main columns 11, and the pressure received by the car bottom 15 is transmitted to the middle part of the car frame through the reinforcing channel steel assembly 2, and at the same time, the supporting capacity of the middle part of the car frame is strengthened, so that the car frame can avoid deformation due to uneven force.

[0021] Preferably, a plurality of tie rods 3 are provided between the two sides of the main column 11 and the car platform, and a predetermined angle is formed between the tie rods 3 and the car platform 15. The tie rods 3 include a first tie rod 31 and a second tie rod 32; the first tie rod 31 is connected to one side of the car platform 15, and the connection point is close to the connection point between the auxiliary column 14 and the car platform 15, and the other end is connected to the main column 11; the first end of the second tie rod 32 is connected to the car platform 15, and the connection point is located between two adjacent main columns 11, and the other end is connected to the main column 11. The tie rods 3, the main columns 11 and the car platform 15 form a triangular structure, and the triangular structure is a stable structure that can effectively improve the load-bearing capacity of the car frame.

[0022] Preferably, a shock absorbing assembly is provided in the car bottom 15, and the shock absorbing assembly includes a first bracket and a second bracket 153, wherein the second bracket 153 is sleeved on the top of the first bracket and fixedly connected to the first bracket; The upper surface of the first bracket is provided with a plurality of mutually parallel reinforcing beams 151, on which shock-absorbing rubber 152 is provided, and the top of the reinforcing beam 152 and the bottom of the second bracket 151 are both provided with stoppers 154 for fixing the shock-absorbing rubber 152. The addition of shock-absorbing components can effectively reduce the vibration and noise generated by the car during operation; in addition, the design can also enhance the impact resistance of the car frame under loading and unloading conditions to prevent deformation or damage to the car.

[0023] Specifically, the top and bottom surfaces of the shock-absorbing rubber 152 are provided with a plurality of limiting grooves, and the limiting member 151 can extend into the limiting grooves to limit and fix the shock-absorbing rubber 152. The limiting grooves are provided to facilitate the installation and fixation of the shock-absorbing rubber 152.

[0024] More preferably, the reinforcing beam 151, the shock-absorbing rubber 152 and the second bracket 153 are connected by hot-melt method.

[0025] Preferably, a car bottom wheel device 6 is provided at the bottom of the car bottom 15 between the main pillar 11 and the auxiliary pillar 14 .

[0026] Preferably, a guardrail fixing piece 4 is provided on the top of the main column 11 , and guardrails 5 are provided on both sides of the guardrail fixing piece 4 .

[0027] A corresponding embodiment of the present invention also provides a large-load freight elevator, including the above-mentioned car frame structure.

[0028] The above is a preferred embodiment of the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the principle of the present invention. These improvements and modifications are also considered to be within the scope of protection of the present invention.

Claims

1. A car frame structure for a heavy-duty freight elevator, comprising a car frame body; characterized in that: Main columns are provided on both sides of the car frame body, and the main columns are used to connect the upper beam of the car frame body and the bottom beam of the car frame body; auxiliary columns are provided on both sides of the main columns, and the auxiliary columns are used to connect the upper beam of the car frame body and the car bottom of the car frame body; A reinforced channel steel assembly is connected between the main column and the secondary column, and the reinforced channel steel assembly includes a transverse reinforcement member and a longitudinal reinforcement member. Several of the transverse reinforcement members are arranged parallel to each other, and the longitudinal reinforcement member is connected between two adjacent transverse reinforcement members. The transverse reinforcement member and the longitudinal reinforcement member are perpendicular to each other.

2. The car frame structure according to claim 1, characterized in that: At least two main columns are arranged on both sides of the car frame body, and the reinforcing channel steel assembly is connected between two adjacent main columns.

3. The car frame structure according to claim 1 or 2, characterized in that: A plurality of pull rods are arranged between the two sides of the main column and the car platform, and a predetermined angle is formed between the pull rods and the car platform.

4. The car frame structure according to claim 1, characterized in that: A shock absorbing assembly is provided in the car bottom, and the shock absorbing assembly includes a first bracket and a second bracket, wherein the second bracket is sleeved on the top of the first bracket and is fixedly connected to the first bracket; The upper surface of the first bracket is provided with a plurality of mutually parallel reinforcing beams, the reinforcing beams are provided with shock-absorbing rubber, and the top of the reinforcing beams and the bottom of the second bracket are both provided with limiting pieces for limiting and fixing the shock-absorbing rubber.

5. The car frame structure according to claim 4, characterized in that: The top surface and the bottom surface of the shock-absorbing rubber are both provided with a plurality of limiting grooves, and the limiting member can extend into the limiting grooves to limit and fix the shock-absorbing rubber.

6. The car frame structure according to claim 5, characterized in that: The reinforcing beam is connected to the shock-absorbing rubber and the second bracket by a hot-melt method.

7. The car frame structure according to claim 1, characterized in that: A car platform wheel device is provided at the bottom of the car platform between the main pillar and the auxiliary pillar.

8. The car frame structure according to claim 1, characterized in that: A guardrail fixing piece is arranged on the top of the main column, and guardrails are arranged on both sides of the guardrail fixing piece.

9. A heavy-duty freight elevator, characterized in that: The invention comprises a car frame structure as described in any one of claims 1 to 8.

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